Tappet

noun

noun ·2 syllables ·Rare ·Advanced level

Definitions

Noun
  1. 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. 2
    a lever that is moved in order to tap something else wordnet

Etymology

From tap + -et, possibly influenced by homophony with "tap it."

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.