[flok-yuh-luh s]
noun, plural floc·cu·li [flok-yuh-lahy] /ˈflɒk yəˌlaɪ/.
  1. floccule.
  2. Astronomy. one of the bright or dark patches on the sun's surface, visible in a spectroheliogram.

Origin of flocculus

From New Latin, dating back to 1790–1800; see origin at floccule
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for flocculus

Historical Examples of flocculus

British Dictionary definitions for flocculus


noun plural -li (-ˌlaɪ)
  1. a marking on the sun's surface or in its atmosphere, as seen on a spectroheliogram. It consists of calcium when lighter than the surroundings and of hydrogen when darker
  2. anatomy a tiny ovoid prominence on each side of the cerebellum
  3. another word for floccule
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

flocculus in Medicine


n. pl. floc•cu•li (-lī′)
  1. A small fluffy mass or tuft.
  2. Either of a pair of small lobes on the posterior border of the cerebellum, forming part of the vestibular part of the cerebellum.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.