castellanus

[ kas-tl-ey-nuh s ]
/ ˌkæs tlˈeɪ nəs /

adjective Meteorology.

(of a cloud) having small turrets.

Origin of castellanus

< New Latin, Latin castellānus; see castellan
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019