Meaning

1. individual, individuum, entity, body (person considered alone)
2. individual, individuum (single representative of a species)
3. unit (organized group comprising people in uniform who perform particular tasks)
4. unit (organized group comprising people in uniform who perform particular tasks)
5. unit (headquarters of such a group)
6. unit (independent branch of a public institution established to conduct a specific type of activity)
7. unit (individual ship)
8. unit (standard measure of a quantity)
9. unit (the number one)