What is the meaning of Hoi?

Alternative form of hoy, hey! a call to gain someone's attention.

A greeting acknowledging someone’s arrival or presence, comparable to English hey, hi

A farewell acknowledging someone's departure, comparable to English goodbye, bye

An exclamation of joy.

water

salt deposit, salt lick

Synonym of hei

A greeting acknowledging someone’s arrival or presence, comparable to English hey, hi

deep sea

go in

put in

toneless rendering of hói

toneless rendering of hoí

horse

ahoy, hey

hi! an informal greeting acknowledging someone’s arrival or presence

here

hey; interjection used to call out to people

helpless, exhausted, critically ill

smelly, foul

hi

Source: wiktionary.org