Obs. or dial. [Cf. BRACKY.] Brackish. (In Chandler, perh. of alkaline taste]
 
1662.  J. Chandler, Van Helmonts Oriat., 158. Writers have distinguished 
 Odours, and Savours, as sweet, bitter, salt, sharp, breachy, soure.
 
1875.  Parish, Sussex Gloss. (E. D. S.), Breachy, brackish, applied to water.