Dictionary entry

Hydrobranchiata

Webster's Dictionary 1913

‖Hy′dro‐bran′chi‐a″ta (?), n. pl. [NL., fr. Gr. ὕδωρ water + � gills.] (Zoöl.) An extensive artificial division of gastropod mollusks, including those that breathe by gills, as contrasted with the Pulmonifera. — Hy′dro‐bran″chi‐ate (#), a.