Swell, n.
1. The act of swelling.
2. Gradual increase. Specifically: (a) Increase or augmentation in bulk; protuberance. (b) Increase in height; elevation; rise.
Little River affords navigation during a swell to within three miles of the Miami. --Jefferson.
(c) Increase of force, intensity, or volume of sound.
Music arose with its voluptuous swell. --Byron.
(d) Increase of power in style, or of rhetorical force.
The swell and subsidence of his periods. --Landor.
3. A gradual ascent, or rounded elevation, of land; as, an extensive plain abounding with little swells.
4. A wave, or billow; especially, a succession of large waves; the roll of the sea after a storm; as, a heavy swell sets into the harbor.
The swell
Of the long waves that roll in yonder bay. --Tennyson.
The gigantic swells and billows of the snow. --Hawthorne.
5. Mus. A gradual increase and decrease of the volume of sound; the crescendo and diminuendo combined; -- generally indicated by the sign.
6. A showy, dashing person; a dandy. [Slang]
Ground swell. See under Ground.
Organ swell Mus., a certain number of pipes inclosed in a box, the uncovering of which by means of a pedal produces increased sound.
Swell shark Zool., a small shark (Scyllium ventricosum) of the west coast of North America, which takes in air when caught, and swells up like a swellfish.