Fo`li*a"ceous (?), a. [L. foliaceus, fr. folium leaf.]
1. Bot.
Belonging to, or having the texture or nature of, a leaf; having leaves intermixed with flowers; as, a foliaceous spike.
2. Min.
Consisting of leaves or thin laminae; having the form of a leaf or plate; as, foliaceous spar.
3. Zool.
Leaflike in form or mode of growth; as, a foliaceous coral.
© Webster 1913.