Definify.com

Webster 1913 Edition

Cribellum

‖

Cri-bel′lum

(kr?b?l′l?m)

,

Noun.

[L., a small sieve, dim. of

cribrum

sieve.]

(Zool.)

A peculiar perforated organ of certain spiders (

Ciniflonidæ

), used for spinning a special kind of silk.