What is the meaning of Nao?

A Spanish or Portuguese carrack.

Alternative form of now

Alternative form of now

after

a three or four-masted sailing ship used all along the 15th century and early 16th; carrack

to, towards

Nonstandard spelling of nāo.

Nonstandard spelling of náo.

Nonstandard spelling of nǎo.

Nonstandard spelling of nào.

to warm oneself

to wait for

smoky

Rōmaji transcription of なお

Obsolete spelling of nau.

a ship, a vessel

carrack

Contraction of na wao; wa class(II) inflected form of na; and them, with them

m class(III)/u class(XI) inflected form of na; and it, with it

anxious; uneasy

Alternative form of nào (which)

Source: wiktionary.org