Noun

1. Furnace consisting of a special hearth where metal is heated before shaping
2. A workplace where metal is worked by heating and hammering

Verb

1. Create by hammering
2. Make a copy of with the intent to deceive
3. Come up with (an idea, plan, explanation, theory, or principle) after a mental effort
4. Move ahead steadily
5. Move or act with a sudden increase in speed or energy
6. Make something, usually for a specific function
7. Make out of components (often in an improvising manner)