Definition of "vert"

“I understand thee,” said the King, “and the Holy Clerk shall have a grant of vert and venison in my woods of Warncliffe.”

1819, Walter Scott, Ivanhoe

Theſe are Ani-mad-versions indeed, when a Writer’s words are madly verted, inverted, perverted, againſt his true intent, and their Grammaticall ſenſe.

1659, Thomas Fuller, “The Eleventh Book, Containing the Reign of K. Charls”, in The Appeal of Iniured Innocence: unto the Religious Learned and Ingenuous Reader. In a Controversie Betwixt the Animadvertor Dr. Peter Heylyn and the Author Thomas Fuller., London: […] W. Godbid, […], part III, page 21

Hippias not only came aboveground, he flew about in the very skies, verting like any blithe creature of the season.

1859, George Meredith, “In Which the Hero Takes a Step”, in The Ordeal of Richard Feverel. A History of Father and Son. […], volume II, London: Chapman and Hall, page 198

A lady had ulceration of the interior of the body of the uterus, which was not flexed or verted: […].

1879 December 6, J[ames] Matthews Duncan, “On Retention of Mucus”, in The Medical Times and Gazette. A Journal of Medical Science, Literature, Criticism, and News., volume II, number 1536, London: […] J. & A. Churchill, […], page 630

For instance, all of the muscles of the eyes may be relatively weak. The ducting or verting power is not as great as it should be.

1903 February 7, R. C. Matheny, “Imbalance and Insufficiency of the Eye Muscles”, in George F[rederick] Shrady [Sr.], Thomas L[athrop] Stedman, editors, Medical Record: A Weekly Journal of Medicine and Surgery, volume 63, number 6 (whole 1683), New York, N.Y.: William Wood and Company, page 210