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vertebratus

[vur-tuh-brey-tuh s] /ˌvɜr təˈbreɪ təs/
adjective, Meteorology
1.
(of a cloud) having elements arranged in a riblike pattern.
Origin
< New Latin; see vertebrate
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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