What is Non-rhyme?

Non-rhyme definition and meaning on Dictionary terms:
identity in sound of some part, especially the end, of words or lines of verse.
a word agreeing with another in terminal sound: Find is a rhyme for mind and womankind.

verse or poetry having correspondence in the terminal sounds of the lines.
a poem or piece of verse having such correspondence.
verse(def 4).

verb (used with object), rhymed, rhym