cribellum
noun
cri·bel·lum
| \ krə̇ˈbeləm\
plural cribella\ -lə \
Definition of cribellum
1
: a special spinning organ having numerous fine perforations and situated in front of the ordinary spinning organs that is found only in spiders of certain families
2
: a chitinous plate with perforations which constitute the openings of minute ducts leading from certain glands of insects
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