AskDefine | Define lock

Dictionary Definition



1 a fastener fitted to a door or drawer to keep it firmly closed
2 a strand or cluster of hair [syn: curl, ringlet, whorl]
3 a mechanism that detonates the charge of a gun
4 enclosure consisting of a section of canal that can be closed to control the water level; used to raise or lower vessels that pass through it [syn: lock chamber]
5 a restraint incorporated into the ignition switch to prevent the use of a vehicle by persons who do not have the key [syn: ignition lock]
6 any wrestling hold in which some part of the opponent's body is twisted or pressured


1 fasten with a lock; "lock the bike to the fence" [ant: unlock, unlock]
2 keep engaged; "engaged the gears" [syn: engage, mesh, operate] [ant: disengage]
3 become rigid or immoveable; "The therapist noticed that the patient's knees tended to lock in this exercise" [ant: unlock]
4 hold in a locking position; "He locked his hands around her neck" [syn: interlock, interlace]
5 become engaged or intermeshed with one another; "They were locked in embrace" [syn: interlock]
6 hold fast (in a certain state); "He was locked in a laughing fit"
7 place in a place where something cannot be removed or someone cannot escape; "The parents locked her daughter up for the weekend"; "She locked her jewels in the safe" [syn: lock in, lock away, put away, shut up, shut away, lock up]
8 pass by means through a lock in a waterway
9 build locks in order to facilitate the navigation of vessels

User Contributed Dictionary


Etymology 1



rfc-level check placement of Pronunciation


  1. Something used for fastening, which can only be opened with a key or combination.
  2. A segment of a canal or other waterway enclosed by gates, used for raising and lowering boats between levels.
  3. The firing mechanism of a gun.
  4. A player in the scrum behind the front row, usually the tallest members of the team.
Derived terms
something used for fastening
  • Bosnian: brava
  • Bulgarian: ключалка
  • Catalan: cadenat
  • Czech: zámek
  • Dutch: slot
  • Finnish: lukko
  • French: serrure
  • German: Schloss
  • Gujarati: તાળું (tālu.n)
  • Hindi: ताला (tālā)
  • Italian: serratura, chiavistello, lucchetto
  • Japanese: (jō)
  • Macedonian: брава
  • Portuguese: fechadura
  • Russian: замо́к (zamók) , запо́р (zapór) , затво́р (zatvór)
  • Serbian:
    Cyrillic: брава
    Roman: brava
  • Slovak: zámok
  • Slovene: ključavnica
  • Swedish: lås
  • Telugu: తాళము (tALamu)
  • Urdu: تالا
segment of a canal
  • Catalan: resclosa
  • Czech: zdymadlo, plavební komora
  • Dutch: sluis
  • Finnish: sulku
  • French: écluse
  • German: Schleuse
  • Italian: chiusa
  • Russian: шлюз (šl'uz)
  • Spanish: esclusa
  • Swedish: sluss
firing mechanism of a gun
  • Dutch: haan
  • Finnish: lukko
  • French: verrou
  • German: Schloss
  • Portuguese: trava
  • Russian: затво́р (zatvór)
  • Slovak: zámok
  • Swedish: lås

Etymology 2



  1. tuft or length of hair
Related terms
length of hair

Etymology 3



  1. To become fastened in place
    If you put the brakes on too hard, the wheels will lock.
  2. (break dancing) To freeze ones body or a part thereof in place
    a pop and lock routine
  3. To fasten with a lock.
    Remember to lock the door when you leave.
to become fastened in place
to fasten with lock


1-5. Oxford-Paravia Concise - Dizionario Inglese-Italiano e Italiano-Inglese. Maria Cristina Bareggi, ed. Turin: Paravia, 2003 (in collaboration with Oxford University Press). ISBN 8839551107.




  1. lock of hair
  2. cover, lid
  3. popping (as when ears pop)


Derived terms

  • Få lock för örat: be deafened. When you have bad hearing from the change in air pressure due to an air plane flight. So it’s sort of like having a casserole cover in your ear


Extensive Definition

For information on "locked" Wikipedia pages, see Wikipedia:Protection policy.
Lock may refer to:

Mechanical devices

  • Lock (device), a mechanical device used to secure possessions
  • Lock (firearm), the ignition mechanism used on early projectile weapons
  • Lock (water transport), an enclosure in a navigable canal or river which enables ships and boats to pass between sections of the waterway at different levels


  • Lock (computer science), a bookkeeping object associated with a piece of data that is used to serialize concurrent access
  • Lock (database), a feature used when multiple users access a database concurrently
  • Lock (weapons guidance), an indication the missile seeker system has a suitable or adequate acquisition fix to hit successfully if launched




See also

lock in French: lock
lock in Russian: Шлюз

Synonyms, Antonyms and Related Words

aboideau, accord, agree, air lock, answer to, articulate, assent, assort with, authority, bang, bar, barricade, barrier, batten, batten down, be consistent, be of one, be uniform with, bear hug, bind, block, block up, blockade, bolt, buckle, butt, button, button up, cage, catch, cessation, check, chime, chock, choke, choke off, clap, clasp, cleat, clip, close, close off, close out, close tight, close up, clutch, cohere, coincide, command, commit, concur, confine, conform, conform with, consist with, constrain, constrict, contain, contract, control, coop up, cooperate, correspond, cover, crimp, crowd, curl, dead set, dead stand, dead stop, deadlock, debar, detain, dock gate, dog, dovetail, dying down, ebb, ebbing, engage, entangle, entwine, exclude, fall in together, fasten, fit together, fix, fix on, fix upon, flood-hatch, floodgate, fold, fold up, follow, frizz, frizzle, full nelson, full stop, gate, go together, go with, grapple, grasp, half nelson, halt, hang together, harmonize, hasp, head gate, hinge, hit, hitch, hold, hold together, hook, implant, impound, imprison, incarcerate, interlock, intersect, jam, jibe, join, joint, keep out, keep track of, key, latch, lock gate, lock in, lock out, lock up, match, miter, mortise, nail, oblige, obstruct, occlude, overlap, pack, padlock, parallel, peg, penstock, pin, plant, plumb, ponytail, power, pursue, quarter nelson, rabbet, register, register with, respond to, restrain, restrict, retain, ringlet, rivet, scarf, scissors, screw, seal, seal off, seal up, secure, sew, shut, shut off, shut out, shut the door, shut tight, shut up, sing in chorus, skewer, slam, sluice, sluice gate, snap, sort with, square, square with, squeeze, squeeze shut, stabilize, stand, stand together, standstill, staple, stick, stifle, stillstand, stitch, stop, stop up, strangle, stranglehold, strangulate, subsidence, suffocate, supervision, sway, tack, tally, tide gate, toehold, toggle, track, tress, wane, waning, water gate, wedge, weir, zip up, zipper
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