n.
Function: noun
Date: 1606
1 : a long often massive and crestless wave or succession of waves often continuing beyond or after its cause (as a gale)
2 a : the condition of being protuberant b : a rounded elevation
3 a : the act or process of swelling b (1) : a gradual increase and decrease of the loudness of a musical sound also : a sign indicating a swell (2) : a device used in an organ for governing loudness
4 a archaic : an impressive, pompous, or fashionable air or display b : a person dressed in the height of fashion c : a person of high social position or outstanding competence