Webster's 1913 Dictionary
HOMOPHONIC; HOMOPHONOUS
Ho `mo *phon "ic, Ho *moph "o *nous, a. Etym: [Gr. homophone. ]
1. (Mus. ) (a ) Originally, sounding alike; of the same pitch; unisonous; monodic. (b ) Now used for plain harmony, note against note, as opposed to polyphonic harmony, in which the several parts move independently, each with its own melody.
2. Expressing the same sound by a different combination of letters; as, bay and bey.
New American Oxford Dictionary
homophonic
ho mo phon ic |ˌhäməˈfänik, ˌhōmə -ˌhɑməˈfɑnɪk | ▶adjective 1 Music characterized by the movement of accompanying parts in the same rhythm as the melody. Often contrasted with polyphonic. 2 another term for homophonous. DERIVATIVES ho mo phon i cal ly |-ik (ə )lē |adverb
Oxford Dictionary
homophonic
homo |phon ¦ic |hɒməˈfɒnɪk, həʊm -| ▶adjective 1 Music characterized by the movement of accompanying parts in the same rhythm as the melody. Often contrasted with polyphonic. 2 another term for homophonous ( sense 2 ). DERIVATIVES homophonically adverb