noun

1. harmony or agreement of elements or parts; accord
2. a pleasing combination of simultaneous musical sounds; harmony of tones
3. Prosody repetition of a consonant sound in stressed syllables in the middle or at the end of words (Ex.: star/door, conceive/behoove)

Etymology: ME & OFr < L consonantia < consonans, prp. of consonare, to sound together with < com-, with + sonare < sonus, sound