1.

2. mil - it cost me a thousand pounds: me costó mil libras there are about one thousand five hundred different species: hay unas mil quinientas especies diferentes

3. - he paid fifty thousand pesetas: pagó cincuenta mil pesetas several thousand people died: varios miles de personas murieron after other numbers or several, a few, etc.

1. (m.) millar - how many hundreds are there in a thousand?: ¿cuántas centenas hay en un millar?

1. (n´pl) - there were thousands of people there: había miles de personas very many