bald

American Heritage® Dictionary of the English Language, Fourth Edition

1. adj. Lacking hair on the head.
2. adj. Lacking a natural or usual covering: a bald spot on the lawn.
3. adj. Lacking treads: a bald tire.
4. adj. Zoology Having white feathers or markings on the head, as in some birds or mammals.
5. adj. Lacking ornamentation; unadorned.
6. adj. Undisguised; blunt: a bald statement of policy.

Century Dictionary and Cyclopedia

1. Wanting hair, as the head, in some part (usually the top, or front and top) where it naturally grows; partly or wholly deprived of hair on the head, as a person.
2. Without the natural or usual covering of the head or top; bareheaded: as, a bald oak; a bald mountain.
3. Destitute of beard or awn: as, bald wheat.
4. Wanting force or meaning; meager; paltry: as, a bald sermon; a bald truism.
5. Destitute of appropriate ornament; too bare, plain, or literal; unadorned; inelegant: as, “a bald translation,”
6. Bare; open; undisguised.
7. Having white on the face or head: specifically applied to several birds: as, the bald buzzard, eagle, etc.
8. n. A natural meadow or grassy plain occurring on the rounded summit of a high mountain: a term in use in the southern extension of the Appalachian ranges, where a number of the highest knobs have their dome-shaped tops entirely bare of trees.
9. To make bald; deprive of hair.
10. An obsolete and dialectal form of bold. It is retained in this spelling as an element in certain proper names of Anglo-Saxon or Old High German origin: as, Baldwin, Archibald, Ethelbald, etc.

Wiktionary

1. adj. Having no hair, fur or feathers.
2. adj. Of tyres: whose surface is worn away.
3. adj. Of a statement: empirically unsupported.
4. n. Appalachian A mountain summit or crest that lacks forest growth despite a warm climate conducive to such, as is found in many places in the Southern Appalachian Mountains.
5. v. intransitive to become bald

GNU Webster's 1913

1. adj. Destitute of the natural or common covering on the head or top, as of hair, feathers, foliage, trees, etc..
2. adj. Destitute of ornament; unadorned; bare; literal.
3. adj. Undisguised.
4. adj. obsolete Destitute of dignity or value; paltry; mean.
5. adj. (Bot.) Destitute of a beard or awn.
6. adj. Destitute of the natural covering.
7. adj. Marked with a white spot on the head; bald-faced.

WordNet 3.0

1. adj. lacking hair on all or most of the scalp
2. adj. without the natural or usual covering
3. adj. with no effort to conceal
4. v. grow bald; lose hair on one's head