INTERLOCK
mesh, meshing, interlock, interlocking
(noun) the act of interlocking or meshing; “an interlocking of arms by the police held the crowd in check”
interlock, ignition interlock
(noun) a device that prevents an automotive engine from starting; “car theives know how to bypass the ignition interlock”
interlock, mesh
(verb) coordinate in such a way that all parts work together effectively
interlock, lock
(verb) become engaged or intermeshed with one another; “They were locked in embrace”
lock, interlock, interlace
(verb) hold in a locking position; “He locked his hands around her neck”
Source: WordNet® 3.1
Etymology
Verb
interlock (third-person singular simple present interlocks, present participle interlocking, simple past and past participle interlocked)
(ambitransitive) To fit or clasp together securely.
To interlace.
Noun
interlock (plural interlocks)
A safety device that prevents activation in unsafe conditions.
Source: Wiktionary
In`ter*lock", v. i.
Definition: To unite, embrace, communicate with, or flow into, one another;
to be connected in one system; to lock into one another; to interlace
firmly.
In`ter*lock", v. t.
Definition: To unite by locking or linking together; to secure in place by
mutual fastening.
My lady with her fingers interlocked. Tennyson.
Source: Webster’s Unabridged Dictionary 1913 Edition