Sentence:  It was a pitchy black night, as stifling as a June night can be, and the <WSD>"loo</WSD>", the red-hot wind from the westward, was booming among the tinder-dry trees and pretending that the rain was on its heels. 
Meaning of the word marked with <WSD> tags:  A hot dust-bearing wind found in Bihar, Uttar Pradesh and the Punjab.