Sentence:  It <WSD>spits</WSD> snow this afternoon. Saw a flock of snowbirds on the Walden road. I see them so commonly when it is beginning to snow that I am inclined to regard them as a sign of a snow-storm. 
Meaning of the word marked with <WSD> tags:  To emit or expel in a manner similar to evacuating saliva from the mouth; specifically, to rain or snow slightly.