iron
nounA silvery-white, lustrous, malleable, ductile, magnetic or magnetizable, metallic element occurring abundantly in combined forms, notably in hematite, limonite, magnetite, and taconite, and used alloyed in a wide range of important structural materials. Atomic number 26; atomic weight 55.845; melting point 1,538°C; boiling point 2,861°C; specific gravity 7.874 (at 20°C); valence 2, 3, 4, 6. cross-reference: Periodic Table.
nounAn implement made of iron alloy or similar metal, especially a bar heated for use in branding, curling hair, or cauterizing.
nounGreat hardness or strength; firmness.
nounAny of a series of golf clubs having a bladelike metal head and numbered from one to nine in order of increasing loft.
nounA metal appliance with a handle and a weighted flat bottom, used when heated to press wrinkles from fabric.
nounA harpoon.
nounFetters; shackles.
nounA tonic, pill, or other medication containing iron and taken as a dietary supplement.
adjectiveMade of or containing iron.
adjectiveStrong, healthy, and capable of great endurance.