Lateral

(a.) Of or pertaining to the sides; as, the lateral walls of a house; the lateral branches of a tree.

Lateral - Other Definitions

(a.) Of or pertaining to the sides; as, the lateral walls of a house; the lateral branches of a tree.
(a.) Lying at, or extending toward, the side; away from the mesial plane; external; -- opposed to mesial.
(a.) Directed to the side; as, a lateral view of a thing.