What do a.m. and p.m. stand for?


[v. in-ter-lok, in-ter-lok; n. in-ter-lok] /v. ˌɪn tərˈlɒk, ˈɪn tərˌlɒk; n. ˈɪn tərˌlɒk/
verb (used without object)
to fit into each other, as parts of machinery, so that all action is synchronized.
to interweave or interlace, one with another:
The branches of the trees interlock to form a natural archway.
Railroads. (of switches, signals, etc.) to operate together in a prearranged order.
verb (used with object)
to lock one with another.
to fit (parts) together to ensure coordinated action.
Railroads. to arrange (switches, signals, etc.) to effect a predetermined sequence of movement.
the fact or condition of interlocking or of being interlocked.
the existence or an instance of an interlocking directorate.
a 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.
Also 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.
a stretch fabric made with a circular knitting machine having two alternating sets of long and short needles.
Movies. a device for synchronizing the action of a camera and sound recorder.
Origin of interlock
1625-35; inter- + lock1
Related forms
interlocker, noun
uninterlocked, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for interlock
  • The teeth on those gears aren't even and the way they interlock mean they'd never turn.
  • If two people feel vulnerable simultaneously, these two tendencies can interlock and increase synergistically.
  • Each molar has three distinct cusps that interlock when their jaw is closed, forming a sieve for straining krill from the water.
  • The reverse has more charming cubs in mittens and booties, all printed on a soft, easily washable cotton interlock.
  • Surrounding this tube is a sheath consisting of three steel segments designed so that they interlock and form a circular jacket.
  • The light's waves are precisely tuned to interlock with each other and become trapped.
  • Ford will notify owners beginning next week and dealers will inspect for and replace faulty interlock switches.
  • If the second tip works, you may need a shifter interlock cable adjustment.
British Dictionary definitions for interlock


verb (ˌɪntəˈlɒk)
to join or be joined firmly, as by a mutual interconnection of parts
noun (ˈɪntəˌlɒk)
the act of interlocking or the state of being interlocked
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
a closely knitted fabric
adjective (ˈɪntəˌlɒk)
(of fabric) closely knitted
Derived Forms
interlocker, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for interlock

1630s, from inter- + lock. Related: Interlocked; interlocking. As a noun, attested by 1874.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for interlock

Some English speakers likely know this word

Word Value for interlock

Scrabble Words With Friends

Quotes with interlock