a. (Anat.) Situated immediately in front, or on the ventral side, of the vertebral column; prespinal. [ 1913 Webster ]

v. t. [ imp. & p. p. Reverted; p. pr. & vb. n. Reverting. ] [ L. revertere, reversum; pref. re- re- + vertere to turn: cf. OF. revertir. See Verse, and cf. Reverse. ] 1. To turn back, or to the contrary; to reverse. [ 1913 Webster ]

Till happy chance revert the cruel scence. Prior. [ 1913 Webster ]

The tumbling stream . . .
Reverted, plays in undulating flow. Thomson. [ 1913 Webster ]

2. To throw back; to reflect; to reverberate. [ 1913 Webster ]

3. (Chem.) To change back. See Revert, v. i. [ 1913 Webster ]

To revert a series (Alg.), to treat a series, as y = a + bx + cx2 + etc., where one variable y is expressed in powers of a second variable x, so as to find therefrom the second variable x, expressed in a series arranged in powers of y. [ 1913 Webster ]

v. i. 1. To return; to come back. [ 1913 Webster ]

So that my arrows
Would have reverted to my bow again. Shak. [ 1913 Webster ]

2. (Law) To return to the proprietor after the termination of a particular estate granted by him. [ 1913 Webster ]

3. (Biol.) To return, wholly or in part, towards some preexistent form; to take on the traits or characters of an ancestral type. [ 1913 Webster ]

4. (Chem.) To change back, as from a soluble to an insoluble state or the reverse; thus, phosphoric acid in certain fertilizers reverts. [ 1913 Webster ]

n. One who, or that which, reverts. [ 1913 Webster ]

An active promoter in making the East Saxons converts, or rather reverts, to the faith. Fuller. [ 1913 Webster ]

a. Turned back; reversed. Specifically: (Her.) Bent or curved twice, in opposite directions, or in the form of an S. [ 1913 Webster ]

n. (Med.) A remedy which restores the natural order of the inverted irritative motions in the animal system. [ Obs. ] E. Darwin. [ 1913 Webster ]

n. 1. One who, or that which, reverts. [ 1913 Webster ]

2. (Law) Reversion. Burrill. [ 1913 Webster ]

a. Capable of, or admitting of, reverting or being reverted; as, a revertible estate. [ 1913 Webster ]

a. Reverting, or tending to revert; returning. -- Re*vert"ive*ly, adv. [1913 Webster]

The tide revertive, unattracted, leaves
A yellow waste of idle sands behind. Thomson. [1913 Webster]