D defs.my
Entry 1 sense Webster, 1913

Fissurella

· Fis·su·rel·la · IPA
01 n. A genus of marine gastropod mollusks, having a conical or limpetlike shell, with an opening at the apex; -- called also keyhole limpet.
  1. 1.
    A genus of marine gastropod mollusks, having a conical or limpetlike shell, with an opening at the apex; -- called also keyhole limpet.(Zool.) Also: keyhole limpet