1.Resemblance of sound. "The disagreeable assonance of 'sheath' and 'sheathed.'"
2.(Pros.) A peculiar species of rhyme, in which the last accented vowel and those which follow it in one word correspond in sound with the vowels of another word, while the consonants of the two words are unlike in sound; as, calamo and platano, baby and chary. "The assonance is peculiar to the Spaniard."
3.Incomplete correspondence. "Assonance between facts seemingly remote."