Nautical, a day on which liberty is granted.(noun)
The Century Dictionary (Public Domain)
Use "liberty-day" in a sentence
"Our forecastle, as usual after a liberty-day, was a scene of tumult all night long, from the drunken ones."
"As we were to be here over Sunday, and Monterey was the best place to go ashore on the whole coast, and we had had no liberty-day for nearly three months, every one was for going ashore."
"It is a pity that some other arrangement is not made in merchant vessels, with regard to the liberty-day."