A gastric concretion formed of vegetable fibers from the seeds and skins of fruits and sometimes containing starch granules and fat globules.phytobezoar
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for food ball
Food-vacuole, a small drop of water containing digestive material and a food-ball.A Guide for the Study of Animals|Worrallo Whitney