The Collaborative International Dictionary of English v.0.48:

Birt \Birt\ (b[~e]rt), n. [OE. byrte; cf. F. bertonneau. Cf.
   Bret, Burt.] (Zool.)
   A fish of the turbot kind; the brill. [Written also burt,
   bret, or brut.] [Prov. Eng.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Brut \Brut\, v. i. [F. brouter, OF. brouster. See Browse, n.]
   To browse. [Obs.] --Evelyn.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Brut \Brut\, n. (Zool.)
   See Birt.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

brut \brut\ (br[=oo]t), a. [Fr. lit. rough.]
   very dry; -- used of wine or champagne.
   [PJC]

WordNet (r) 3.0 (2006):

brut
    adj 1: (of champagne) extremely dry