GENLOCK

Etymology

Short for generator lock.

Noun

genlock (uncountable)

(television) A technique whereby the video output of one source, or a specific reference signal, is used to synchronize other sources.

Verb

genlock (third-person singular simple present genlocks, present participle genlocking, simple past and past participle genlocked)

(transitive) To synchronize in this manner.

Source: Wiktionary