The Collaborative International Dictionary of English v.0.48:

Bald \Bald\ (b[add]ld), a. [OE. balled, ballid, perh. the p. p.
   of ball to reduce to the roundness or smoothness of a ball,
   by removing hair. [root]85. But cf. W. bali whiteness in a
   horse's forehead.]
   1. Destitute of the natural or common covering on the head or
      top, as of hair, feathers, foliage, trees, etc.; as, a
      bald head; a bald oak.
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            On the bald top of an eminence.       --Wordsworth.
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   2. Destitute of ornament; unadorned; bare; literal.
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            In the preface to his own bald translation.
                                                  --Dryden.
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   3. Undisguised. " Bald egotism." --Lowell.
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   4. Destitute of dignity or value; paltry; mean. [Obs.]
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   5. (Bot.) Destitute of a beard or awn; as, bald wheat.
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   6. (Zool.)
      (a) Destitute of the natural covering.
      (b) Marked with a white spot on the head; bald-faced.
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   Bald buzzard (Zool.), the fishhawk or osprey.

   Bald coot (Zool.), a name of the European coot (Fulica
      atra), alluding to the bare patch on the front of the
      head.
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