bow-iron

[ boh-ahy-ern ]
/ ˈboʊˌaɪ ərn /

noun

(on the car of a sidewalk elevator) a metal arch for parting the cellar doors as the elevator rises.

Origin of bow-iron

First recorded in 1875–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019