adj. & v.
adj. 1 leaflike. 2 having leaves. 3 (in comb.) having a specified number of leaflets (trifoliate).
v. 1 intr. split into laminae. 2 tr. decorate (an arch or door-head) with foils. 3 tr. number leaves (not pages) of (a volume) consecutively. foliation n.
[ L foliatus leaved f. folium leaf ]