Webster's Revised Unabridged Dictionary · 1913

Scar

Scar , noun

[Old French escare, French eschare an eschar, a dry slough (compare Italian & Sp. escara), Latin eschara, from Greek {not transcribed} hearth, fireplace, scab, eschar. Compare Eschar.]

1.
A mark in the skin or flesh of an animal, made by a wound or ulcer, and remaining after the wound or ulcer is healed; a cicatrix; a mark left by a previous injury; a blemish; a disfigurement.
This earth had the beauty of youth,... and not a wrinkle, scar, or fracture on all its body. — T. Burnet
2.
(Botany) A mark left upon a stem or branch by the fall of a leaf, leaflet, or frond, or upon a seed by the separation of its support.

Scar , transitive verb

To mark with a scar or scars.
Yet I'll not shed her blood; Nor scar that whiter skin of hers than snow. — Shakespeare
His cheeks were deeply scarred. — Macaulay

Scar , intransitive verb

To form a scar.

Scar , noun

[Scot. scar, scaur, Icelandic sker a skerry, an isolated rock in the sea; akin to Danish skiaer, Swedish skar. Compare Skerry.]

An isolated or protruding rock; a steep, rocky eminence; a bare place on the side of a mountain or steep bank of earth.
O sweet and far, from cliff and scar, The horns of Elfland faintly blowing. — Tennyson

Scar , noun

[Latin scarus, a kind of fish, Greek ska`ros.]

(Zoology) A marine food fish, the scarus, or parrot fish.