Definify.com
Webster 1913 Edition
Presphenoid
Pre-sphe′noid
,Adj.
(Anat.)
Situated in front of the sphenoid bone; of or pertaining to the anterior part of the sphenoid bone (i. e., the presphenoid bone).
Presphenoid bone
(Anat.)
, the anterior part of the body of the sphenoid bone in front of the basisphenoid. It is usually a separate bone in the young or fetus, but becomes a part of the sphenoid in the adult.
Pre-sphe′noid
,Noun.
(Anat.)
The presphenoid bone.