Verb (5-dan, す, intransitive)
1. to spout out; to spurt out; to gush out; to jet out
冬なのに汗が噴き出す。Even though it is winter, sweat gushes out.
2. to sprout; to bud
3. to burst into laughter
二人が同時に噴き出した。The two burst out laughing at the same time.
Verb (5-dan, す, transitive)
4. to blow (smoke, etc.)
esp. 吹き出す
5. to send out shoots (of a tree)