cribellum
noun
cri·bel·lum
krə̇ˈbeləm
plural cribella
-lə
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
Word History
Etymology
New Latin, from Late Latin, small sieve, diminutive of Latin cribrum sieve; akin to Latin cernere to sift, discern