lateralward
/ˈlat(ə)rəlwəd/ /ˈlat(ə)r(ə)lwəd/Chiefly Anatomy and Zoology
adverb
To the side; laterally, laterad; specifically in the direction away from the medial plane of the body.
adjective
Located in a lateral position; occurring or extending in a lateral direction.
Origin
Late 19th century; earliest use found in Journal of Morphology. From lateral + -ward.