Source : Webster's Revised Unabridged Dictionary (1913)

Foliate \Fo"li*ate\, a. [L. foliatus leaved, leafy, fr. folium
   leaf. See {Foliage}.] (Bot.)
   Furnished with leaves; leafy; as, a foliate stalk.

   {Foliate curve}. (Geom.) Same as {Folium}.

Foliate \Fo"li*ate\, v. t. [imp. & p. p. {Foliated}; p. pr. &
   vb. n. {Foliating}.]
   1. To beat into a leaf, or thin plate. --Bacon.

   2. To spread over with a thin coat of tin and quicksilver;
      as, to foliate a looking-glass.

Source : WordNet®

foliate
     adj 1: ornamented with foliage or foils; "foliate tracery"; "a
            foliated capital" [syn: {foliated}]
     2: (often used as a combining form) having or resembling a leaf
        or having a specified kind or number of leaves; "`foliate'
        is combined with the prefix `tri' to form the word
        `trifoliate'"
     3: (especially of metamorphic rock) having thin leaflike layers
        or strata [syn: {foliated}, {foliaceous}]

foliate
     v 1: hammer into thin flat foils; "foliate metal"
     2: decorate with leaves
     3: coat or back with metal foil; "foliate glass"
     4: number the pages of a book or manuscript [syn: {paginate}, {page}]
     5: grow leaves; "the tree foliated in Spring"