[ flok-uh s ]
/ ˈflɒk əs /

noun, plural floc·ci [flok-sahy, -see] /ˈflɒk saɪ, -si/.

a small tuft of woolly hairs.


Meteorology. (of a cloud) having elements in the form of small, rounded tufts.

Origin of floccus

1835–45; < Latin: tuft of wool
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for floccus

/ (ˈflɒkəs) /

noun plural flocci (ˈflɒksaɪ)

a downy or woolly covering, as on the young of certain birds
a small woolly tuft of hair


(of a cloud) having the appearance of woolly tufts at odd intervals in its structure

Word Origin for floccus

C19: from Latin: tuft of hair or wool, flock ²
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012