Webster's Revised Unabridged Dictionary · 1913

Foliaceous

Foliaceous , adjective

[Latin foliaceus, from folium leaf.]

1.
(Botany) Belonging to, or having the texture or nature of, a leaf; having leaves intermixed with flowers; as, a foliaceous spike.
2.
(Mineralogy) Consisting of leaves or thin lamina; having the form of a leaf or plate; as, foliaceous spar.
3.
(Zoology) Leaflike in form or mode of growth; as, a foliaceous coral.