Available Definitions:
1) a. - Made or consisting of iron; partaking of iron; iron; as, irony chains; irony particles.
2) a. - Resembling iron taste, hardness, or other physical property.
3) n. - Dissimulation; ignorance feigned for the purpose of confounding or provoking an antagonist.
4) n. - A sort of humor, ridicule, or light sarcasm, which adopts a mode of speech the meaning of which is contrary to the literal sense of the words.