D defs.my
Entry 1 sense Webster, 1913

Cribellum

/(kr?b?l"l?m)/ · Cri·bel·lum · IPA /kɹɪˈbɛləm/
01 n. A peculiar perforated organ of certain spiders (Ciniflonidæ), used for spinning a special kind of silk.
  1. 1.
    A peculiar perforated organ of certain spiders (Ciniflonidæ), used for spinning a special kind of silk.(Zool.)