[flok-uh s]
  1. Meteorology. (of a cloud) having elements in the form of small, rounded tufts.

Origin of floccus

1835–45; < Latin: tuft of wool
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British Dictionary definitions for floccus


noun plural flocci (ˈflɒksaɪ)
  1. a downy or woolly covering, as on the young of certain birds
  2. a small woolly tuft of hair
  1. (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