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⇱ interlock - WordReference.com Dictionary of English


interlock

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UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/ˌɪntərˈlɒk/

US:USA pronunciation: IPAUSA pronunciation: IPA/ˌɪntɚˈlɑk/

US:USA pronunciation: respellingUSA pronunciation: respelling(v. in′tər lok, intər lok′; n. intər lok′)



WordReference Random House Learner's Dictionary of American English © 2026
in•ter•lock /ˌɪntɚˈlɑk/USA pronunciation   v. 
  1. to fit into each other, as in machinery, so that various parts work together: [no object]The gears interlock with the teeth and turn the wheels at different speeds.[+ object]to interlock the parts together.
  2. to interweave, interlace, or interrelate, one with another: [no object]The branches of the trees interlock to form an archway.[+ object]They interlocked their arms and walked off.

WordReference Random House Unabridged Dictionary of American English © 2026
in•ter•lock  (v. in′tər lok, intər lok′;n. intər lok′),USA pronunciation v.i. 
  1. to fit into each other, as parts of machinery, so that all action is synchronized.
  2. to interweave or interlace, one with another:The branches of the trees interlock to form a natural archway.
  3. Rail Transport(of switches, signals, etc.) to operate together in a prearranged order.

v.t. 
  1. to lock one with another.
  2. to fit (parts) together to ensure coordinated action.
  3. Rail Transportto arrange (switches, signals, etc.) to effect a predetermined sequence of movement.

n. 
  1. the fact or condition of interlocking or of being interlocked.
  2. Communicationsthe existence or an instance of an interlocking directorate.
  3. Mechanical Engineeringa device for preventing a mechanism from being set in motion when another mechanism is in such a position that the two operating simultaneously might produce undesirable results.
  4. AutomotiveAlso called ignition interlock. a device or system that prevents an automotive engine from starting until the seat belt for any occupied front seat is fastened.
  5. Textilesa stretch fabric made with a circular knitting machine having two alternating sets of long and short needles.
  6. Cinema[Motion Pictures.]a device for synchronizing the action of a camera and sound recorder.
  • inter- + lock1 1625–35
in′ter•locker, n. 

Collins Concise English Dictionary © HarperCollins Publishers::
interlock vb /ˌɪntəˈlɒk/
  1. to join or be joined firmly, as by a mutual interconnection of parts
n /ˈɪntəˌlɒk/
  1. the act of interlocking or the state of being interlocked
  2. a device, esp one operated electromechanically, used in a logic circuit or electrical safety system to prevent an activity being initiated unless preceded by certain events
  3. a closely knitted fabric
adj /ˈɪntəˌlɒk/
  1. (of fabric) closely knitted
ˈinterˌlocker n
'interlock' also found in these entries (note: many are not synonyms or translations):
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