Definition of "ess" in English

noun

1. The name of the Latin-script letter S/s.

   • 1998, Ricardo Corona, "These Esses" ("Eses esses"), in Other Shores (Outras Praias), translated by Ricardo Corona & Charles Perrone these esses / change in design / and senses themselves / $ // it's as if / the ess / were the sounds / of success

2. Something shaped like the letter S. (See esses)

verb

1. To move in a changing direction, forming the shape of a letter S.

particle

1. (Cornwall, dialect) Yes.

   • Overheard in Cornwall: 'Oh, ess, diden' ee know I gived up keepin' ducks? They wus allus comin' 'ome lost'.