floccus

[flok-uh s] /ˈflɒk əs/
noun, plural flocci
[flok-sahy, -see] /ˈflɒk saɪ, -si/ (Show IPA)
1.
a small tuft of woolly hairs.
adjective
2.
Meteorology. (of a cloud) having elements in the form of small, rounded tufts.
Origin
1835-45; < Latin: tuft of wool
British Dictionary definitions for floccus

floccus

/ˈflɒkəs/
noun (pl) flocci (ˈflɒksaɪ)
1.
a downy or woolly covering, as on the young of certain birds
2.
a small woolly tuft of hair
adjective
3.
(of a cloud) having the appearance of woolly tufts at odd intervals in its structure
Word Origin
C19: from Latin: tuft of hair or wool, flock²