'Unbay' definitions:

Definition of 'Unbay'

From: GCIDE

Unbay \Un*bay"\, v. t. [1st pref. un- + bay to dam.] To free from the restraint of anything that surrounds or incloses; to let loose; to open. [Obs.] [1913 Webster]
I ought . . . to unbay the current of my passion. --Norris. [1913 Webster]