Definition.com
Poetry is a dissociating and anarchic force which (through analogy, associations and imagery) thrives on the destruction of known relationships.
Definition.com
Poetry is (much like with the taste of the apple which lies in the contact of the fruit with the palate, not in the fruit itself) such that the aesthetic act and thrill lies in the meeting of poem and reader in the act of reading.
Definition.com
Poetry is, unlike an editorial, unable to be translated, for one can go across the border naked but not without one's skin.