rhythmer

From rhythm + -er.

• IPA^(key): /ˈɹɪðəmə(ɹ)/, /ˈɹɪðmə(ɹ)/

rhythmer (plural rhythmers)

1. One who writes in rhythm, especially in poetic rhythm or meter.
   • 1655, Thomas Fuller, The Church-history of Britain; […], London: […] Iohn Williams […], →OCLC, (please specify |book=I to XI):

     one now scarce counted a rhythmer, formerly admitted for a poet

2. Someone who provides rhythm

• “rhythmer”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.