ornith-
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ornith-
pref.
Variant of ornitho-.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ornith-
var. of ornitho- before a vowel: ornithischian.
ornith.
1. ornithological.
2. ornithology.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.