galea

galea (noun; Latin galea, helmet): 1. (Arthropoda: Chelicerata) A moveable process on the digit of the chelicera of pseudoscorpions, used to spin silken cocoons for protection during molting, hibernation, or the brooding of eggs.

2. (Arthropoda: Crustacea) Outer distal hoodlike lobe of the second segment of the maxillula.

3. (Arthropoda: Insecta) a. The outer lobe of the maxilla borne by the stipes; may be present or absent. b. Basis for coiled tongue in Lepidoptera.