1. Preparatory school work done outside school (especially at home).
5. The region of the body of a vertebrate between the thorax and the pelvis.
12. Standard time in the 7th time zone west of Greenwich, reckoned at the 105th meridian west.
15. A Tibetan or Mongolian priest of Lamaism.
16. A native or inhabitant of Bhutan.
17. A flat wing-shaped process or winglike part of an organism.
18. Either of two large African antelopes of the genus Taurotragus having short spirally twisted horns in both sexes.
20. The address where a person lives.
22. Capital of the People's Republic of China in the Hebei province in northeastern China.
24. Tropical genus of small trees or shrubs.
26. Immature of its kind.
28. (informal British usage) Aggravation or aggression.
29. A colorless and odorless inert gas.
31. A soft silvery metallic element of the alkali earth group.
32. Catch sight of.
36. A tricycle (usually propelled by pedalling).
41. (in golf) The standard number of strokes set for each hole on a golf course, or for the entire course.
44. A folded part (as a fold of skin or muscle).
45. (music) Characterized by avoidance of traditional Western tonality.
48. The syllable naming the sixth (submediant) note of a major or minor scale in solmization.
50. A clawed foot of an animal especially a quadruped.
51. An island of central Hawaii.
52. Any competition.
55. Having come or been brought to a conclusion.
57. A kind of heavy jacket (`windcheater' is a British term).
58. Unknown god.
60. A toxic nonmetallic element related to sulfur and tellurium.
61. Title for a civil or military leader (especially in Turkey).
63. Divulge information or secrets.
67. (of complexion) Blemished by imperfections of the skin.
69. Chief port of Yemen.
71. A small cake leavened with yeast.
72. The act of scanning.
75. Semi-parasitic herb with purple or white or pink flowers.
77. Alsatian artist and poet who was cofounder of Dadaism in Zurich.
80. A colloid in a more solid form than a sol.
81. A plant hormone promoting elongation of stems and roots.
82. Moth whose larvae are flour moths.
83. The compass point midway between east and southeast.

1. One of the common people.
2. A rapid series of short loud sounds (as might be heard with a stethoscope in some types of respiratory disorders).
3. (computer science) A system of world-wide electronic communication in which a computer user can compose a message at one terminal that is generated at the recipient's terminal when he logs in.
4. A member of the majority people of Punjab in northwestern India.
5. The blood group whose red cells carry both the A and B antigens.
6. God of wealth and love.
7. Give a nickname to.
8. A member of the Siouan people inhabiting the valleys of the Platte and Missouri rivers in Nebraska.
9. Characterized by undue haste and lack of thought or deliberation.
10. (physics) The capacity of a physical system to do work.
11. A hard malleable ductile silvery metallic element that is resistant to corrosion.
12. Celebes megapode that lays eggs in holes in sandy beaches.
13. Speaking a Slavic language.
14. A village in eastern Ireland (northwest of Dublin).
19. English theoretical physicist who applied relativity theory to quantum mechanics and predicted the existence of antimatter and the positron (1902-1984).
21. (anatomy) Of or relating to a cavity or chamber in the body (especially one of the upper chambers of the heart).
23. A state in the western United States.
25. A soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal.
27. A chronic inflammatory collagen disease affecting connective tissue (skin or joints).
30. A long noosed rope used to catch animals.
33. An honorary degree in science.
34. English scholastic philosopher and assumed author of Occam's Razor (1285-1349).
35. An Indian tree of the family Combretaceae that is a source of timber and gum.
37. Stingless male bee in a colony of social bees (especially honeybees) whose sole function is to mate with the queen.
38. A federation of North American labor unions that merged with the Congress of Industrial Organizations in 1955.
39. Enlarged prostate.
40. Monotypic genus of palms of Australasia.
42. 32nd President of the United States.
43. Type genus of the Alcidae comprising solely the razorbill.
46. Norwegian explorer of the Arctic and director of the League of Nations relief program for refugees of World War I (1861-1930).
47. Having help.
49. Someone who operates an aircraft.
53. The great hall in ancient Persian palaces.
54. Spiritual leader of a Jewish congregation.
56. An official prosecutor for a judicial district.
59. The capital and largest city of Ghana with a deep-water port.
62. A rare silvery (usually trivalent) metallic element.
64. United States photographer remembered for her portraits of rural workers during the Depression (1895-1965).
65. True firs.
66. A city in northwestern Switzerland.
68. Plant with an elongated head of broad stalked leaves resembling celery.
70. Oval reproductive body of a fowl (especially a hen) used as food.
73. 100 fen equal 1 yuan.
74. A constellation in the southern hemisphere near Telescopium and Norma.
76. A unit of length of thread or yarn.
78. Informal terms for a mother.
79. A class of proteins produced in lymph tissue in vertebrates and that function as antibodies in the immune response.