Hypertext Webster Gateway: "cribellum"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Cribellum \Cri*bel"lum\ (kr?b?l"l?m), n. [L., a small sieve,
dim. of cribrum sieve.] (Zo["o]l.)
A peculiar perforated organ of certain spiders
({Ciniflonid[ae]}), used for spinning a special kind of silk.
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