(v. t.) To compose, recite, or sing extemporaneously,
especially in verse; to extemporize; also, to play upon an instrument,
or to act, extemporaneously.
(v. t.) To bring about, arrange, or make, on a sudden, or
without previous preparation.
(v. t.) To invent, or provide, offhand, or on the spur of the
moment; as, he improvised a hammer out of a stone.
(v. i.) To produce or render extemporaneous compositions,
especially in verse or in music, without previous preparation; hence,
to do anything offhand.
