1.Definition: a dead tree that is still standing, usually in an undisturbed forest

"A snag can provide food and a habitat for insects and birds"

Category: Plants

2.Definition: a sharp protuberance

Category: General

3.Definition: an opening made forcibly as by pulling apart

"There was a rip in his pants", "She had snags in her stockings"

Related Noun(s):rent, rip, split, tear

Category: Objects

4.Definition: an unforeseen obstacle

Related Noun(s):hitch, rub

Category: General