The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Consisting mainly of vegetables and foods made from cereal grains, with occasional inclusion of fish, chicken, or red meat: a semivegetarian diet.
- semˌi·vegˌe·tarˈi·an noun