1. (Science: anatomy) Denoting a position farther from the median plane or midline of the body or of a structure.
2. Pertaining to a side.
Origin: L. Lateralis
Situated at or extending to the side; the lateral branches of a tree; shot out sidelong boughs– Tennyson.Lying away from the median and sagittal plane of a body; lateral lemniscus.Pertaining to the side of something.