### Clue: Bush is one occupying bar stool (5,4)
### Answer: PUBIC HAIR 
 ### Explanation: Definition: Bush
 I(Roman numeral for "one") **contained in**(occupying) [ PUB(a bar;a watering hole) + CHAIR(a stool) ].
Defn: Slang (vulgar?) for pubic hair for its resemblance to, well, a bush.