—v., -swept, -sweep•ing,
to sweep upward.
to be arranged in an upsweep.
1. a sweeping upward, as an increase in elevation or a steep slope.
2. a hairdo produced by having the hair combed or brushed upward to the top of the head; an upswept hairdo.
3. a strongly pronounced rise in activity, as in business.
4. a curved shape of the lower jaw of some animals.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.