Is there a type of poetry called Definition poetry?

Yes, it is when someone reads a poem and is inspired by it to write another poem, like it or along the same lines as it. It is typical for beginner poets, or any poet for that matter. Poetry...

Famous examples include Sylvia Plath[ well worth a read], Anne Sexton, William De Wit Snodgrass and Robert Lowell.

The word 'poetry' has a couple of distinct meanings: 1: literature in metrical form; 2: any communication resembling poetry in beauty or the evocation of feeling

Confessional poetry is poetry in which the poet reveals very personal details about his life. In other words: the mask comes off and the poet shows you his true self.

Poetry is the "spontaneous overflow of powerful feelings"