sphen-
Also found in: Medical.
spheno-
or sphen-pref.
Wedge; wedge-shaped: sphenodon.
[Greek sphēno-, from sphēn, wedge.]
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.
sphen-
a combining form meaning “wedge”: sphenodon.
[comb. form of Greek sphḗn wedge]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.