What is the meaning of Barbel?

A freshwater fish of the genus Barbus or other closely related genera.

Whisker-like sensory organs, located around the mouth of certain fish, including catfish, carp, goatfish, sturgeon, and some types of shark.

A barb or pap under the tongues of horses and cattle.

barbell: a wide steel bar with premeasured weights affixed to either end, with the central span open for the hands of the weightlifter.

barb (something which stands out with a sharp point)

barbel (fish)

Source: wiktionary.org

See also