KJV Dictionary Definition: mar
M`AR, v.t. L. marceo.
1. To injure by cutting off a part, or by wounding and making defective; as, to mar a tree by incision.
I pray you, mar no more trees by writing songs in their barks.
Neither shalt thou mar the corners of thy beard. Lev.19.
2. To injure; to hurt; to impair the strength or purity of.
When brewers mar their malt with water.
3. To injure; to diminish; to interrupt.
But mirth is marred, and the good cheer is lost.
4. To injure; to deform; to disfigure.
Ire, envy and despair
Marr'd all his borrow'd visage.
His visage was so marred more than any man. Is.52.
Moral evil alone mars the intellectual works of God.
This word is not obsolete in America.
M`ARS, n. In mythology, the god of war; in modern usage, a planet; and in the old chimistry, a term for iron.