Lateral

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

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.