scrobicula
noun
scro·bic·u·la
skrōˈbikyələ
variants or less commonly scrobicule
ˈskrōbəˌkyül,
-räb-
plural scrobiculae
skrōˈbikyəˌlē,
-ˌlī
also scrobicules : a shallow trench (as one of the smooth depressions surrounding the tubercles of a sea urchin)
scrobicular adjective
skrōˈbikyələ(r)
Word History
Etymology
New Latin scrobicula, alteration of Latin scrobiculus little trench, diminutive of scrobis