To turn back, or to the contrary; to reverse.

To throw back; to reflect; to reverberate.

To return; to come back.

To return to the proprietor after the termination of a
particular estate granted by him.

To return, wholly or in part, towards some preexistent
form; to take on the traits or characters of an ancestral type.

To change back, as from a soluble to an insoluble state
or the reverse; thus, phosphoric acid in certain fertilizers reverts.

One who, or that which, reverts.