落とし

What does 落とし mean in English?

1. dropping; losing(n)
2. missing item; something one forgot to write down(n)
3. trap(n)
4. wooden protrusion from a Japanese door frame that fits a hole in the threshold, acting as a lock when closed(n)
5. conclusion (of a speech, etc.)(n)
6. metallic bowl used to hold the charcoal in a wooden hibachi(n)