snag

(noun) a sharp protuberance.

(noun) a dead tree that is still standing, usually in an undisturbed forest. Example: "A snag can provide food and a habitat for insects and birds."

(noun) an opening made forcibly as by pulling apart. Synonyms: rip, rent, split, tear. Examples: "There was a rip in his pants." "She had snags in her stockings."

(noun) an unforeseen obstacle. Synonyms: hang-up, hitch, rub.

(verb) catch on a snag. Example: "I snagged my stocking."

(verb) get by acting quickly and smartly. Example: "Snag a bargain."

(verb) hew jaggedly.