Found 1 items, similar to Spongia dura.
English → English (gcide) Definition: Spongia dura Hardhead \Hard"head`\ (-h[e^]d`), n. 1. Clash or collision of heads in contest. --Dryden. [1913 Webster] 2. (Zo["o]l.) (a) The menhaden. See Menhaden. [Local, U. S.] (b) Block's gurnard (Trigla gurnardus) of Europe. (c) A California salmon; the steelhead. (d) The gray whale. See Gray whale, under Gray. (e) A coarse American commercial sponge (Spongia dura). [1913 Webster]