The Collaborative International Dictionary of English v.0.48:

Brent \Brent\, imp. & p. p. of Bren.
   Burnt. [Obs.]
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The Collaborative International Dictionary of English v.0.48:

Brent \Brent\, n. [Cf. Brant.]
   A brant. See Brant.
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The Collaborative International Dictionary of English v.0.48:

Bren \Bren\, Brenne \Bren"ne\, v. t. & i. [imp. & p. p. Brent
   (?); p. pr. & vb. n. Brenning.] [See Burn.]
   To burn. [Obs.] --Chaucer.
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         Consuming fire brent his shearing house or stall. --W.
                                                  Browne.
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The Collaborative International Dictionary of English v.0.48:

Brent \Brent\, Brant \Brant\, a. [AS. brant; akin to Dan. brat,
   Icel. brattr, steep.]
   1. Steep; high. [Obs.]
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            Grapes grow on the brant rocks so wonderfully that
            ye will marvel how any man dare climb up to them.
                                                  --Ascham.
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   2. Smooth; unwrinkled. [Scot.]
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            Your bonnie brow was brent.           --Burns.
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The Collaborative International Dictionary of English v.0.48:

Brant \Brant\ (br[a^]nt), n. [Cf.Brand goose, Brent,
   Brenicle.] (Zool.)
   A species of wild goose (Branta bernicla) -- called also
   brent and brand goose. The name is also applied to other
   related species.
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WordNet (r) 3.0 (2006):

brent
    n 1: small dark geese that breed in the north and migrate
         southward [syn: brant, brant goose, brent, brent
         goose]