The quality of being swell.

(geology) A soil containing clay minerals that absorb water and swell, causing bumps across terrain.

plural of swelling soil

(pathology) A disease of the joints, especially the knee, in which the synovial membrane undergoes pulpy degeneration.

plural of white swelling

plural of Venetian swell

(music) A section of a pipe organ in which the pipes are enclosed in a swell box

A box or chamber in an organ that contains the reeds or a set of pipes and has shutters that open or shut usually by means of a pedal in order to regulate the volume of musical tone.

A swell organ with blinds patterned on Venetian blinds closing the swell box.

Alternative form of groundswell