sagittal — ODE

sagittal /ˈsadʒɪt(ə)l

, səˈdʒɪt(ə)l

/ Anatomy

▸ adjective

1 relating to or denoting the suture on top of the skull which runs between the parietal bones in a front to back direction.

2 of or in a plane parallel to the sagittal suture, especially that dividing the body into left and right halves:

sagittal and transverse sections.

– DERIVATIVES

sagittally adverb

– ORIGIN late Middle English: from medieval Latin sagittalis, from Latin sagitta ‘arrow’.