black iron

English

Noun

black iron (uncountable)

1. Weights as opposed to exercise machines.
   • 2017, Ken Heathcote, We're Going To Live Forever: The Secrets To Eternal Youth, page 44:

     The problem we had was not the concept or the product, but what to do with the space. To put a beauty salon alongside a black iron gym was ludicrous.

   • 2021, Jane Brooke, Vegas Savages:

     There^[sic] always lifting big, black iron and such, grunting, screaming out shit and slamming down the barbells […]