Verb (5-dan, く, intransitive)
1.  to blow (of the wind)
Verb (5-dan, く, transitive)
2.  to blow (one's breath);  to breathe out;  to blow on (hot tea, candles, etc.);  to puff
3.  to play (a wind instrument);  to blow (a whistle, trumpet, etc.);  to whistle (a tune)
Verb (5-dan, く, transitive)
4.  to emit (smoke, fire, etc.);  to spout;  to spew;  to puff out
5.  to sprout;  to put forth (buds)
6.  to appear (on the surface);  to form;  to be coated with (powder, rust, etc.)
Verb (5-dan, く, intransitive)
Slang
7.  to burst out laughing;  to burst into laughter
Verb (5-dan, く, transitive)
8.  to brag;  to talk big
9.  to smelt;  to mint