1. a hard outer covering of an animal, as the hard case of a mollusk, or either half of the case of a bivalve mollusk.
2. any of various objects resembling such a covering, as in shape or in being more or less concave or hollow.
3. the material constituting any of various coverings of this kind.
4. the hard exterior of an egg.
5. the usually hard, outer covering of a seed, fruit, or the like, as the hard outside portion of a nut, the pod of peas, etc.
6. a hard, protecting or enclosing case or cover.
7. an attitude or manner of reserve that usually conceals one's emotions, thoughts, etc.: One could not penetrate his shell.
8. a hollow projectile for a cannon, mortar, etc., filled with an explosive charge designed to explode during flight, upon impact, or after penetration.
9. a metallic cartridge used in small arms and small artillery pieces.
10. a metal or paper cartridge, as for use in a shotgun.
11. a cartridgelike pyrotechnic device that explodes in the air.
12. small pieces of pasta having the shape of a shell.
13. the lower pastry crust of a pie, tart, or the like, baked before the filling is added.
14. a program providing a menu-driven or graphical user interface designed to simplify use of the operating system, as in loading application programs.
15. Physics.
• any of up to seven energy levels on which an electron may exist within an atom, the energies of the electrons on the same level being equal and on different levels being unequal.
• a group of nucleons of approximately the same energy.
16. a light, long, narrow racing boat, for rowing by one or more persons.
17. the outer part of a finished garment that has a lining, especially a detachable lining.
18. a woman's sleeveless blouse or sweater, especially one meant for wear under a suit jacket.
19. the plating, planking, or the like, covering the ribs and forming the exterior hull of a vessel.
20. tortoiseshell (def. 1).
21. a mollusk.
22. the curved solid forming a dome or vault.
23. an arena or stadium covered by a domed or arched roof.
24. a saucer-shaped arena or stadium.
25. the framework, external structure, or walls and roof of a building: After the fire, only the shell of the school was left.
26. a small glass for beer.
27. the metal, pressure-resistant outer casing of a fire-tube boiler.
28. Metallurgy.
• a scab on the surface of an ingot.
• a length of unfinished tubing.
• a pierced forging.
• a hollow object made by deep drawing.

29. to take out of the shell, pod, etc.; remove the shell of.
30. to separate (Indian corn, grain, etc.) from the ear, cob, or husk.
31. to fire shells or explosive projectiles into, upon, or among; bombard.

32. to fall or come out of the shell, husk, etc.
33. to come away or fall off, as a shell or outer coat.
34. to gather sea shells: We spent the whole morning shelling while the tide was out.

35. to hand over (money); contribute; pay.

1. contraction of she will.

1. the protective calcareous or membranous outer layer of an egg, esp a bird's egg
2. the hard outer covering of many molluscs that is secreted by the mantle
3. any other hard outer layer, such as the exoskeleton of many arthropods
4. the hard outer layer of some fruits, esp of nuts
5. any hard outer case
6. a hollow artillery projectile filled with explosive primed to explode either during flight, on impact, or after penetration
7. a small-arms cartridge comprising a hollow casing inside which is the primer, charge, and bullet
8. a pyrotechnic cartridge designed to explode in the air
9. a very light narrow racing boat
10. the external structure of a building, esp one that is unfinished or one that has been gutted by fire
11. the basic structural case of something, such as a machine, vehicle, etc
12. physics
• a class of electron orbits in an atom in which the electrons have the same principal quantum number and orbital angular momentum quantum number and differences in their energy are small compared with differences in energy between shells
• an analogous energy state of nucleons in certain theories (shell models) of the structure of the atomic nucleus
13. the pastry case of a pie, flan, etc
14. a thin slab of concrete or a skeletal framework made of wood or metal that forms a shell-like roof
15. (in some schools) a class or form
16. to become less shy and reserved
17. to help to become less shy and reserved

18. to divest or be divested of a shell, husk, pod, etc
19. to separate or be separated from an ear, husk, cob, etc
20. to bombard with artillery shells

1. she will or she shall

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