Main Entry: floc·cu·lus

Pronunciation: \-ləs\

Function: noun

Inflected Form(s): plural floc·cu·li \-ˌlī, -ˌlē\

Etymology: Late Latin, diminutive of Latin floccus tuft of wool

Date: 1799

1 : a small loosely aggregated mass
2 : a bright or dark patch on the sun