noun:

1. A packed lunch taken to work.
2. A collection of quotes or references for use in speaking, for assembling a written document, or as an aid to a project of some sort; a crib sheet.
3. A bin for drying or storing grain, as with a corn crib.
4. A small room or covered structure, especially one of rough construction, used for storage or penning animals.
5. A baby's bed with high, often slatted, often moveable sides, suitable for a child who has outgrown a cradle or bassinet.
6. A job, a position; (British), an appointment.
7. A small sleeping berth in a packet ship or other small vessel.
8. A cheat sheet or past test used by students; crib sheet.
9. A hovel, a roughly constructed building best suited to the shelter of animals but used for human habitation.
10. A confined space, as with a cage or office-cubicle.
11. The baby Jesus and the manger in a creche or nativity scene, consisting of statues of Mary, Joseph and various other characters such as the magi.
12. A wicker basket; compare Moses basket.
13. A small holiday home, often near a beach and of simple construction.
14. A known piece of information corresponding to a section of encrypted text, that is then used to work out the remaining sections.
15. The stomach.
16. A boxy structure traditionally built of heavy wooden timbers, to support an existing structure from below, as with a mineshaft or a building being raised off its foundation in preparation for being moved; see cribbing.
17. A manger, a feeding trough for animals elevated off the earth or floor, especially one for fodder such as hay.
18. A bed for a child older than a baby.
19. The card game cribbage.
20. One's residence, or where one normally hangs out. A house or dwelling place.
21. A small raft made of timber.
22. A minor theft, extortion or embezzlement, with or without criminal intent.
23. The cards discarded by players and used by the dealer.

verb:

1. To place or confine in a crib.
2. To install timber supports, as with cribbing.
3. To seize the manger or other solid object with the teeth and draw in wind.
4. To shut up or confine in a narrow habitation; to cage; to cramp.
5. To crowd together, or to be confined, as if in a crib or in narrow accommodations.
6. To collect one or more passages and/or references for use in a speech, written document or as an aid for some task; to create a crib sheet.
7. To steal or embezzle, to cheat out of.
8. To complain, to grumble.
9. To plagiarize; to copy; to cheat.