Meaning of LATERAL in English

adj directed to the side; as, a lateral view of a thing.

2. lateral ·adj of or pertaining to the sides; as, the lateral walls of a house; the lateral branches of a tree.

3. lateral ·adj lying at, or extending toward, the side; away from the mesial plane; external;

— opposed to mesial.

Webster English vocab.      Английский словарь Webster.