Sentence:  To a stirring suspension of CuI (1.23 g, 6.44 mmol, 1.125 eq, pre-dried with a <WSD>hotgun</WSD>) in dry Et<sub>2</sub>O (55 ml) at 0°C under nitrogen was added MeLi (8.0 ml, 12.9 mmol, 2.25 eq). 
Meaning of the word marked with <WSD> tags:  A device for directing hot air.