An opaque, flint-like, ferruginous variety of quartz.

Iron made from stub nails, or old horseshoe nails; once used in making gun barrels.

(nautical) A large calking iron.

Alternative letter-case form of Iron Age

A kind of harpoon with a detachable head of peculiar shape, used in catching swordfish.

(nautical) A special kind of harpoon, usually secured just below the gunwale of a whaleboat.

(basketball, slang) To hit the rim. / (Ice hockey, slang) To hit the cross bar or one of the posts.

plural of tire iron

A miner's pickax or hack. / A chisel or similar tool for cutting metal, as wire, into nails.

plural of hack-iron