'Trichobranchia' definitions:

Definition of 'Trichobranchia'

From: GCIDE

Trichobranchia \Trich`o*bran"chi*a\, n. [NL., fr. Gr. tri`x, tricho`s, hair + branchia.] (Zool.) The gill of a crustacean in which the branchial filaments are slender and cylindrical, as in the crawfishes. [1913 Webster]