Meaning of mesophile

mes•o•phile

Pronunciation: (mez'u-fīl", -fil, mes'-, mē'zu-, -su-), [key]
— Bacteriol. Bacteriol.
—adj.
  1. mesophilic.
—n.
  1. a mesophilic bacterium.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.