(simile) very hard

plural of iron brew

An orange-coloured Scottish carbonated soft drink.

hexaferrum

The name given to a number of mountains in the United States. / A city, the county seat of Dickinson County, Michigan, United States, in the Upper Peninsula.

(figuratively) Firmness, inflexibility, sternness.

A harpoon with one or more pivoted crosspieces in a mortise near the point to prevent it from being drawn out when a whale, shark, or other animal, is harpooned.

(dated) A harpoon.

plural of iron bacterium

A non-electric clothes iron which is heated by placing something hot (as a piece of iron (the slug), or heated charcoal) into its hollow chamber.