Sentence:  [T]he motorcycle drivers say that new helmets are too expensive and instead have been found wearing pumpkin-like <WSD>calabashes</WSD> – dried fruit shells usually used to carry water – cooking pots tied with string or strips of rubber from old tyres. 
Meaning of the word marked with <WSD> tags:  A container made from the mature, dried shell of the fruit of one of the above plants; also, a similarly shaped container made from some other material.