1. Stylish; socially prominent
2. Excellent — used as a generalized term of enthusiasm

Množina: swells

1. A crescendo followed by a decrescendo.
2. A rounded elevation (especially one on an ocean floor).
3. The undulating movement of the surface of the open sea; SYN. crestless wave.

(Irregular preterit, past participle: swelled, swollen).
1. To become filled with pride, arrogance, or anger; SYN. puff up.
2. To cause to become swollen.
3. To expand abnormally; SYN. swell up, distend.
4. To increase in size, magnitude, number, or intensity.

Množina: swell boxes

A chamber in an organ containing a set of pipes and having shutters that open or shut to regulate the volume of tone.

Množina: swell organs

In music, the second manual (keyboard) of an organ, characterized by a “swell” mechanism which can vary the volume given by any combination of stops. The swell organ sometimes has the greatest number of stops and pipes, ranging from a wide variety of flues to a selection of reeds.

Expand abnormally

Množina: swell-fronts

Bowfront.

Feeling self-importance

Množina: swelled heads

An exaggerated opinion of oneself; self-conceit

Množina: swellfish

Puffer fish

Množina: swellheads

One who has a swelled head; a conceited person

Characteristic of false pride; having an exaggerated sense of self-importance (N.Amer.)

Becoming puffy as from internal bleeding or accumulation of other fluids

Množina: swellings

Abnormal protuberance or localized enlargement; SYN. puffiness, lump.
The increase in volume of certain substances when they are heated (often accompanied by release of water)

Singular of swellings is swelling.