picar

1 : to sting, to bite
2 : to peck at
3 : to nibble on
4 : to prick, to puncture, to punch (a ticket)
5 : to grind, to chop
6 : to goad, to incite
7 : to pique, to provoke

1 : to itch
2 : to sting
3 : to be spicy
4 : to nibble
5 : to take the bait
6 picar en : to dabble in
7 picar muy alto : to aim too high

1 : to get a cavity, to decay
2 : to get annoyed, to take offense