columelloid en · ADJ
Etymology
From columella + -oid.
Meanings
-
(not-comparable) Similar to or resembling a columella.
The structure resulting is in many respects suggestive of an incipient columella, but at no stage of development is it sufficiently marked to be termed columelloid.
1935, Grove, Brandon H., “Studies in Paleozoic Corals. III.-A Revision of Some Mississippian Zaphrentids”, in The American Midland Naturalist, volume 16, number 3: