Noun

• S: (n) iron (iron%1:27:00::), Fe (fe%1:27:00::), atomic number 26 (atomic_number_26%1:27:00::) (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)
• direct hyponym / full hyponym
• substance holonym
• direct hypernym / inherited hypernym / sister term
• S: (n) iron (iron%1:06:01::) (a golf club that has a relatively narrow metal head)
• S: (n) iron (iron%1:06:02::), branding iron (branding_iron%1:06:00::) (implement used to brand live stock)
• S: (n) iron (iron%1:06:00::), smoothing iron (smoothing_iron%1:06:00::) (home appliance consisting of a flat metal base that is heated and used to smooth cloth)

Verb

• S: (v) iron (iron%2:35:00::), iron out (iron_out%2:35:00::), press (press%2:35:03::) (press and smooth with a heated iron) "press your shirts"; "she stood there ironing"
• direct troponym / full troponym
• entailment
• direct hypernym / inherited hypernym / sister term
• derivationally related form
• sentence frame

Adjective

• S: (adj) cast-iron (cast-iron%3:00:00:robust:00), iron (iron%3:00:00:robust:00) (extremely robust) "an iron constitution"