Definition of "Cap"

"But listen, Cap!" he protested, momentarily falling out of his role as Midshipman Hornblower. "I haven't got any place else to go! This is where I sleep, where else do you want me to write my letters?"

1967, Jan de Hartog, The Captain

‘Hi Cap! Is that the moving picture ship?’

1932, Delos W. Lovelace, King Kong, published 1965, page 2

“I'd take Vernon Dewey for my team any day.” “And their quarterback can throw,” Cap pointed out. “But we did all right, huh, Grandpa?” “You did fine,” Tully replied. “All of you did real well.” “Cap, you can throw ...”

2009, Matt Christopher, Long Arm Quarterback: A New Football Team Sparks an Old Rivalry

“Well, Cap, you seem to be a nice gentleman from a good family, but I wished you had come to me and my wife and talked to me before you two started making all these decisions.”

2018, Ken Kenthomas, Mr. Black Johnson She Worshiped

Caps are also naturally inclined towards stability and security—they're totally different from noncommittal Sagittarius men. If you're looking for someone who's ready to commit rather than stay in a situationship, odds are that he might be a Capricorn.

2022 December 8, Jake Register, “Everything You Need to Know About Dating a Capricorn Man”, in Cosmopolitan‎