Wiktionary
guy line
n. (alternative spelling of guyline English)
Usage examples of "guy line".
This burden consisted of a haversack, knapsack, blanket, shelter half, poncho, tent pegs, ridgepole, guy line, an extra pair of boots, changes of socks and underwear, a spare uniform, mess kit, shaving kit, and entrenching tool.
Arno said flatly, apparently glad to find a tough-guy line he could use.
It was the one prepared tough-guy line I'd put together and, wouldn't you know, this time my delivery was perfect.