basion

American

[bey-see-on, -zee-] / ˈbeɪ siˌɒn, -zi- /

noun

Craniometry.

the midpoint of the anterior margin of the foramen magnum.

basion British

/ ˈbeɪsɪən /

noun

anatomy the midpoint on the forward border of the foramen magnum

"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

Etymology

Origin of basion

1875–80; < New Latin < Greek bás ( is ) ( see basis) + -ion noun suffix

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023