The Collaborative International Dictionary of English v.0.48:

Basicerite \Ba*sic"er*ite\ (b[.a]*s[i^]s"[~e]r*[=o]t), n. [Basi-
   + Gr. ke`ras horn, antenna.] (Zool.)
   The second joint of the antenn[ae] of crustaceans.
   [1913 Webster]