perisome

English

Noun

perisome (plural perisomes)

1. (biology) The outer body of an invertebrate; the integument
   • 1878, Carl Gegenbaur, Elements of Comparative Anatomy, page 205:

     In many Echinoïda, as in the Asteroïda, the calcareous plates of the perisome are movably connected together, and so allow of changes in the form of the body.

Anagrams

• promisee, reimpose