What's the difference between unbar and unbay?

Unbar

Definition:

• (v. t.) To remove a bar or bars from; to unbolt; to open; as, to unbar a gate.

Example Sentences:

• (1) "All gates to victory have now been unbarred; there is now just a tiny latch left to be unlocked," he said.

Unbay

Definition:

• (v. t.) To free from the restraint of anything that surrounds or incloses; to let loose; to open.

Example Sentences: