strict or harsh control:
The general governed the country with an iron hand.
harsh or rigorous control; overbearing or autocratic force: he ruled with an iron hand
Rigorous control, as in He ruled the company with an iron hand. This usage is sometimes put as iron hand in a velvet glove, meaning “firm but seemingly gentle control,” as in She runs the town with an iron hand in a velvet glove. [ c. 1700 ]
[ahy-ern-han-did] /ˈaɪ ərnˈhæn dɪd/ adjective 1. having or governing with an .
noun, Geology. 1. . [gos-uh n, goz-] /ˈgɒs ən, ˈgɒz-/ noun 1. a rust-colored deposit of mineral matter at the outcrop of a vein or orebody containing iron-bearing materials.
[ahy-ern-hahr-tid] /ˈaɪ ərnˈhɑr tɪd/ adjective 1. cruel; heartless; unfeeling.
noun, Older Use. 1. a locomotive. noun 1. (archaic) a steam-driven railway locomotive noun phrase