1. foliaceous(a = adj.pert) - of or pertaining to or resembling the leaf of a plant;
2. foliaceous(s = adj.all) foliaged, foliose - bearing numerous leaves;
3. foliaceous(s = adj.all) foliate, foliated - (especially of metamorphic rock) having thin leaflike layers or strata;
Derived form noun folium1
1. Belonging to, or having the texture or nature of, a leaf; having leaves intermixed with flowers; as, a foliaceous spike. [1913 Webster]
2. Consisting of leaves or thin laminæ; having the form of a leaf or plate; as, foliaceous spar. [1913 Webster]
3. Leaflike in form or mode of growth; as, a foliaceous coral. [1913 Webster]
foliaceous, adj.
1 of or like leaves.
2 having organs like leaves.
3 laminated.
Etymology:
L foliaceus leafy f. folium leaf
N layer, stratum, strata, course, bed, zone, substratum, substrata, floor, flag, stage, story, tier, slab, escarpment, table, tablet, dess, flagstone, board, plank, trencher, platter, plate, lamina, lamella, sheet, foil, wafer, scale, flake, peel, coat, pellicle, membrane, film, leaf, slice, shive, cut, rasher, shaving, integument, eschar, stratification, scaliness, nest of boxes, coats of an onion, monolayer, bilayer, trilayer, lamellar, lamellated, lamelliform, layered, laminated, laminiferous, micaceous, schistose, schistous, scaly, filmy, membranous, pellicular, flaky, squamous, foliated, foliaceous, stratified, stratiform, tabular, discoid, spathic, spathose, trilamellar, graphitic.