Noah Webster's New International Dictionary of the English Language

1. (n.) Leaves, collectively; as, a tree or forest of beautiful foliage.

2. (n.) A cluster of leaves, flowers, and branches; especially, the representation of leaves, flowers, and branches, in architecture, intended to ornament and enrich capitals, friezes, pediments, etc.

3. (v. t.) To adorn with foliage or the imitation of foliage; to form into the representation of leaves.