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Webster 1913 Edition

Verb.

[1st pref.

un-

bay

to dam.]

To free from the restraint of anything that surrounds or incloses; to let loose; to open.

[Obs.]

I ought . . . to

unbay

the current of my passion.

Norris.

Verb.

To open; to free from the restraint of mounds.

I ought to unbay the current of my passions. [Not in use.]

unbay ‎(third-person singular simple present unbays, present participle unbaying, simple past and past participle unbayed)

(obsolete, transitive) To free from the restraint of anything that surrounds or encloses.
I ought […] to unbay the current of my passion. — Norris.