v. t.
To communicate notice to; to inform; to make cognizant; -- followed by with (formerly, also, by of), or by that, introducing the intelligence; as, to acquaint a friend with the particulars of an act. →
a.
The possibilities of the future; -- used especially of prospective success or advancement; as, he had great future before him. →
imp. & p. p. of Upstart. →
n.
Any structure having a flowerlike form; especially, the group of five broad ambulacra on the upper side of the spatangoid and clypeastroid sea urchins. See Illust. of Spicule, and Sand dollar, under Sand. →