D defs.my
Entry 1 sense Webster, 1913

Thalassinian

· Thal·as·sin·i·an · IPA
01 n. Any species of Thalassinidae, a family of burrowing macrurous Crustacea, having a long and soft abdomen.
  1. 1.
    Any species of Thalassinidae, a family of burrowing macrurous Crustacea, having a long and soft abdomen.(Zool.)