Examples from the Web for first mate
The first-mate seized the extemporised cord and drew hard upon it to see if it would bear.
The first-mate went to the tack, and the second to the sheet.Afloat And Ashore|James Fenimore Cooper
“Of course we shall not be able to sail at the time down,” said the first-mate rather huffily.
Go aft, and Derry Duck our first-mate will find something for you to do in short order.The Boy Patriot|Edward Sylvester Ellis
One morning, when the lofty Andes had just appeared in sight, he summoned his first-mate to his bedside.The History of Little Peter, the Ship Boy|W.H.G. Kingston