unbar
verb (used with object)
to remove a bar or bars from; open; unlock; unbolt.
Used to describe actions that started in the past and continue into or have direct relevance to the present.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
China has been traversed by a succession of travelers, and Japan has unbarred its gates for the admission of foreigners.
From Outline of Universal History by George Park Fisher