fossulate
adjective
fos·su·late
ˈfäs(y)ələ̇t,
-ˌlāt also ˈfȯs-
zoology
: slightly hollowed or grooved
Word History
Etymology
New Latin fossula small fossa (from Latin, small ditch, from fossa cavity, ditch, trench + -ula) + English -ate
First Known Use
circa 1826, in the meaning defined above