### Clue: Green sailor scrubbing yacht's bow (4)
### Answer: LIME 
 ### Explanation: Definition: Green
 "limey"(or lime-juicer, slang for a British sailor, from the fact that he would have to drink lime-juice to ward off scurvy) **minus**(scrubbing) **the 1st letter of**(…'s bow) "yacht".
Defn: A greenish yellow colour.**