scar

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. A mark left on the skin after a surface injury or wound has healed.
2. n. A lingering sign of damage or injury, either mental or physical: nightmares, anxiety, and other enduring scars of wartime experiences.
3. n. Botany A mark indicating a former attachment, as of a leaf to a stem.
4. n. A mark, such as a dent, resulting from use or contact.
5. v. To mark with a scar.
6. v. To leave lasting signs of damage on: a wretched childhood that scarred his psyche.
7. v. To form a scar: The pustule healed and scarred.
8. v. To become scarred: delicate skin that scars easily.
9. n. A protruding isolated rock.
10. n. A bare rocky place on a mountainside or other steep slope.

Century Dictionary and Cyclopedia

1. n. A mark in the skin or flesh made by a wound, burn, or ulcer, and remaining after the wound, burn, or ulcer is healed; a cicatrix.
2. n. Figuratively, any mark resulting from injury, material or moral.
3. n. A spot worn by long use, as by the limpet.
4. n. In botany, a mark on a stem or branch seen after the fall of a leaf, or on a seed after the separation of its stalk. See hilum.
5. n. In conchology, an impression left by the insertion of a muscle; a ciborium; an eye. In bivalve shells the principal scars are those left by the adductor muscles, which in most species are two in number, an anterior and a posterior, but in others only one, which is subcentral; other scars are left by the muscles which move the foot. See cut under ciborium.
6. n. In entomology, a definite, often prominent, space on the anterior face of the mandibles of rhynchophorous beetles of the family Otiorhynchidæ. It indicates the deciduous piece or cusp which falls off soon after the insect attains its perfect state. See deciduous.
7. n. In founding, a weak or imperfect place in a casting, due to some fault in the metal.
8. To mark with a scar or scars; hence, to wound or hurt.
9. To become scarred; form a scar.
10. n. A naked, detached rock.
11. n. A cliff; a precipitous bank; a bare and broken place on the side of a hill or mountain.
12. n. The word enters into many place-names in Great Britain, as Scarborough, Scarcliff, etc.
13. Same as scare.
14. n. A scaroid fish. See Scarus.
15. n. A manufacturers' name for lumps or cakes of imperfectly fused ferrous sulphid which form in the burning of iron pyrites in making sulphuric acid, due to an insufficient supply of air to the burners. The formation of scars involves waste of sulphur which fails to be fully burned off.

Wiktionary

1. n. A permanent mark on the skin sometimes caused by the healing of a wound.
2. v. To mark the skin permanently
3. n. A cliff.
4. n. A rock in the sea breaking out from the surface of the water.

GNU Webster's 1913

1. n. 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.
2. n. (Bot.) 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. See Illust. under Axillary.
3. v. To mark with a scar or scars.
4. v. To form a scar.
5. n. An isolated or protruding rock; a steep, rocky eminence; a bare place on the side of a mountain or steep bank of earth.
6. n. (Zoöl.) A marine food fish, the scarus, or parrot fish.

WordNet 3.0

1. n. a mark left (usually on the skin) by the healing of injured tissue
2. v. mark with a scar
3. n. an indication of damage