mac
Multiple Entries:mac Mac
Concise Oxford English Dictionary © 2008 Oxford University Press:
mac /mak/ (also mack)
▶noun Brit. informal a mackintosh.
Concise Oxford English Dictionary © 2008 Oxford University Press:
Mac/mak/
▶noun informal, chiefly N. Amer. a form of address for a man whose name is unknown to the speaker.
– origin C17 (orig. a form of address to a Scotsman): from Mac-, a patronymic prefix in many Scots and Ir. surnames.
'mac' also found in these Oxford entries:

