- (literally metallurgy) To strike a hot piece of metal, especially iron, with a mallet or other tool before it cools, while it is still hot enough to be shaped.
- (idiomatic) To act on an opportunity promptly while favorable conditions exist; to avoid waiting.
- We should strike while the iron is hot and order some immediately, before they change the offer.
- When expressed in the imperative mood, this term is a well-known saying or proverb:
- Strike while the iron is hot!