protruder

English

Etymology

protrude +‎ -er

Noun

protruder (plural protruders)

1. That which protrudes.
   • 1895, Edmond Souchon, Resume of Lectures on Anatomy, page 10:

     The Muscles of the Tongue are: the Genio-hyoglossus, which is the protruder; — the Hyoglossus, which is the depressor or retractor, or muscle which draws the tongue in; […]