i Register
In some senses, nao is marked as historical, rare, humorous, US, UK. Watch for register when choosing this word.
noun
A Spanish or Portuguese carrack.
I got vivid descriptions of the sea battle at Chaul from the Mamluk sailors and the Ottoman gunners so that I could clearly visualise the Mamluk galleys and the Ottoman guns battling the Portuguese naos at the entrance of the Kundalika river.
adj
Alternative form of now.
adv
Alternative form of now.