any of a class of speech sounds, e.g. /p/, /g/, /n/, /l/, /s/, /r/, characterized by constriction or closure at one or more points in the breath channel

a letter or symbol representing any of these sounds

said of musical notes: producing a harmonious sound or chord: compare dissonant

said of words: having similar sounds

formal (+ with) in agreement or harmony with (something)

It was not constant with his image to attend such a function