barbel

Etymology

PIE word *bʰardʰéh₂ From Middle English barbel, from Old French barbel, from Vulgar Latin *barbellus, from Late Latin barbulus, diminutive of Latin barbus.

noun

1. A freshwater fish of the genus Barbus or other closely related genera.
2. (biology) Whisker-like sensory organs, located around the mouth of certain fish, including catfish, carp, goatfish, sturgeon, and some types of shark.
3. A barb or pap under the tongues of horses and cattle.