Meaning of mesophyll

mes•o•phyll

Pronunciation: (mez'u-fil, mes'-, mē'zu-, -su-), [key]
— n. Bot.
  1. the parenchyma, usually containing chlorophyll, that forms the interior parts of a leaf.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.