Also flock. a tuftlike mass, as in a chemical precipitate.
verb (used with or without object), flocced, floc·cing.
to amass or collect into flocs.
Origin of floc
1920–25; < Latin floccus floccus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Word Origin for floc
C20: from Latin floccus a tuft of 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
1921, diminutive of flocculus (see flocculate).
Online Etymology Dictionary, © 2010 Douglas Harper