ˈlɪɡjʊlə

Definitions

1. noun

A small flap or projection, especially one on a part of a mechanical or biological structure

“The ligula of the insect’s mouthpart was essential for its feeding mechanism.”

2. anatomy

The middle part of the labium of an insect, especially in the order Diptera, where it is a small plate-like structure

“In the anatomy of a fly, the ligula is a key component of the labium.”