Source : Webster's Revised Unabridged Dictionary (1913)

Brest \Brest\, 3d sing.pr.
   for Bursteth. [Obs.]

Brest \Brest\, Breast \Breast\, n. (Arch.)
   A torus. [Obs.]

Source : WordNet®

Brest
     n : a port city in northwestern France (in Brittany); the chief
         naval station of France