Found 1 items, similar to Hydrachnid.
English → English (gcide) Definition: Hydrachnid Hydrachnid \Hy*drach"nid\, n. [Hydr- + arachnid.] (Zo["o]l.) An aquatic mite of the genus Hydrachna. The hydrachnids, while young, are parasitic on fresh-water mussels. [1913 Webster]