hoy
Concise Oxford English Dictionary © 2008 Oxford University Press:
hoy1
▶exclamation used to attract attention. ▶noun Austral. a game resembling bingo, using playing cards.
– origin ME: natural exclam.
Concise Oxford English Dictionary © 2008 Oxford University Press:
hoy2
▶noun historical a small coastal sailing vessel, typically single-masted.
– origin ME: from MDu. hoei, of unknown origin.
Concise Oxford English Dictionary © 2008 Oxford University Press:
hoy3
▶verb Austral. & N. English informal throw (something).
– origin C19: of unknown origin.
'hoy' also found in these Oxford entries:

