Wordnet 3.0
NOUN (1)
1.
a small loosely aggregated mass of flocculent material suspended in or precipitated from a liquid;
[syn: floccule, floc]
WordNet (r) 3.0 (2006):
floc
n 1: a small loosely aggregated mass of flocculent material
suspended in or precipitated from a liquid [syn:
floccule, floc]