sagittal

• POS: Adjective
• HYPHEN: sag=it=tal

CIDE DICTIONARY

sagittal, a. [L. sagitta an arrow: cf. F. sagittal.].

•  Of or pertaining to an arrow; resembling an arrow; furnished with an arrowlike appendage.  [1913 Webster]
•  Of or pertaining to the sagittal suture; in the region of the sagittal suture; rabdoidal; as, the sagittal furrow, or groove, on the inner surface of the roof of the skull.  [1913 Webster]

Sagittal suture (Anat.), the suture between the two parietal bones in the top of the skull; -- called also rabdoidal suture, and interparietal suture.

OXFORD DICTIONARY

sagittal, adj. Anat.
1 of or relating to the suture between the parietal bones of the skull.
2 in the same plane as this, or in a parallel plane.

Etymology

F f. med.L sagittalis f. sagitta arrow