colulus
noun
col·u·lus
ˈkäl(y)ələs
plural coluli
-ˌlī,
-ˌlē
: an apparently vestigial organ consisting of a slender process between the bases of the anterior spinnerets of spiders lacking a cribellum
Word History
Etymology
New Latin, diminutive of Latin colus distaff; akin to Latin colere to cultivate, dwell