D defs.my
Entry 1 sense Webster, 1913

Boat shell

/bōt shĕl/ · Boat· shell · IPA
01 A marine gastropod of the genus Crepidula. The species are numerous. It is so named from its form and interior deck.
  1. 1.
    A marine gastropod of the genus Crepidula. The species are numerous. It is so named from its form and interior deck.(Zool.)