Tappet
noun
noun ·2 syllables ·Rare ·Advanced level
Definitions
Noun
- 1 A lever or projection which is moved by some other piece, as a cam, or intended to tap or touch something else, in order to produce change or regulate motion.
- 2 a lever that is moved in order to tap something else wordnet
Etymology
From tap + -et, possibly influenced by homophony with "tap it."