1. Leaves, collectively, as produced or arranged by nature; leafage; as, a tree or forest of beautiful foliage.
2. 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.
(Science: botany) foliage plant, any plant cultivated for the beauty of its leaves, as many kinds of begonia and Coleus.
Origin: OF. Foillage, fueillage, f. Feuillage, fr. OF. Foille, fueille, fueil, f. Feulle, leaf, L. Folium. See foil, and cf. Foliation, Filemot.
The main organ of photosynthesis and transpiration in higher plants.