canaliculate
adjective
can·a·lic·u·late
-lə̇t,
-ˌlāt
variants or less commonly canaliculated
-ˌlātə̇d
: grooved or channeled longitudinally
the canaliculate leafstalk of certain palms
Word History
Etymology
Latin canaliculatus channeled, from canaliculus + -atus -ate