cone
From ZooTerms (Dictionary of Invertebrate Zoology)
cone (noun; Latin conus, cone): 1. Any cone-shaped structure.
2. The conical crystalline body of a compound eye, not always solid crystalline and occasionally not conical
See also: crystalline. 3. (Arthropoda: Insecta) The head shape of a thrip. 4. (NEMATA: Secernentea) The vulval cone of heteroderid cysts.
