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definitions

-coccus

  1. a combining form representing coccus in compound words: streptococcus.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
-coccus in Medicine

-coccus

suff.
  1. A microorganism of spherical or spheroidal shape:streptococcus.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.