[ bey-see-on, -zee- ]
/ ˈbeɪ siˌɒn, -zi- /
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the midpoint of the anterior margin of the foramen magnum.
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Origin of basion
1875–80; <New Latin <Greek bás(is) (see basis) + -ion noun suffix
Words nearby basion
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for basion
/ (ˈbeɪsɪən) /
anatomy the midpoint on the forward border of the foramen magnum
Word Origin for basion
C19: from New Latin, from Latin basis base 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for basion
[ bā′sē-ŏn′, -zē- ]
The middle point on the anterior margin of the great foramen opposite the opisthion.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.