{Macaw bush} (Bot.), a West Indian name for a prickly kind of
nightshade ({Solanum mammosum}).
{Macaw palm}, {Macaw tree} (Bot.), a tropical American palm
({Acrocomia fusiformis} and other species) having a
prickly stem and pinnately divided leaves. Its nut yields
a yellow butter, with the perfume of violets, which is
used in making violet soap. Called also {grugru palm}.