vertebratus

[ vur-tuh-brey-tuh s ]
/ ˌvɜr təˈbreɪ təs /

adjective Meteorology.

(of a cloud) having elements arranged in a riblike pattern.

Origin of vertebratus

From New Latin; see origin at vertebrate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019