iron meaning and definition

IRON noun

Definition of iron (noun)

1. a heavy ductile magnetic metallic element; is silver-white in pure form but readily rusts; used in construction and tools and armament; plays a role in the transport of oxygen by the blood
   • synonyms: atomic number 26, Fe
2. a golf club that has a relatively narrow metal head
3. implement used to brand live stock
   • synonyms: branding iron
4. home appliance consisting of a flat metal base that is heated and used to smooth cloth
   • synonyms: smoothing iron

IRON verb

Definition of iron (verb)

1. press and smooth with a heated iron
   • "press your shirts"; "she stood there ironing"
   • synonyms: iron out, press

IRON adjective

Definition of iron (adjective)

1. extremely robust
   • "an iron constitution"
   • synonyms: cast-iron