1. The scum formed by oxidation at the surface of molten metals.
5. (heraldry) Standing on four feet.
12. Narrow wood or metal or plastic runners used for gliding over snow.
15. A village in eastern Ireland (northwest of Dublin).
16. A blood vessel that carries blood from the heart to the body.
17. A river in north central Switzerland that runs northeast into the Rhine.
18. (Islam) The man who leads prayers in a mosque.
19. A surgical instrument that is used to dilate or distend an opening or an organ.
20. Type genus of the family Myacidae.
21. Spiritual leader of a Jewish congregation.
23. Resinlike substance secreted by certain lac insects.
24. An ancient country is southwestern Asia on the east coast of the Mediterranean.
26. Ill-mannered and coarse and contemptible in behavior or appearance.
28. A member of the people inhabiting an area of northern Mongolia and eastern Siberia.
29. A dialect of English spoken in the Lowlands of Scotland.
33. The blood group whose red cells carry both the A and B antigens.
34. A reptile genus of Iguanidae.
35. Russian mathematician (1856-1922).
42. (anatomy) A structure that resembles a shell in shape.
45. Muslims collectively and their civilization.
47. American prizefighter who won the world heavyweight championship three times (born in 1942).
48. Primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves.
50. (of reproduction) Not involving the fusion of male and female gametes reproduction".
52. The largest island of Denmark and the site of Copenhagen.
54. A Brazilian river.
55. The biblical name for ancient Syria.
57. A rapid escape (as by criminals).
58. According to the Old Testament he was a pagan king of Israel and husband of Jezebel (9th century BC).
61. (Old Testament) In Judeo-Christian mythology.
64. Small shrubby African tree having compound leaves and racemes of small fragrant green flowers.
68. English theoretical physicist who applied relativity theory to quantum mechanics and predicted the existence of antimatter and the positron (1902-1984).
70. A pointed instrument used to prod into motion.
72. A Kwa language spoken in Ghana and the Ivory Coast.
73. Electrical conduction through a gas in an applied electric field.
74. A loose sleeveless outer garment made from aba cloth.
77. Loud confused noise from many sources.
78. (meaning literally `born') Used to indicate the maiden or family name of a married woman.
79. Offering goods or services at less than standard price or rate.
81. Wading birds of warm regions having long slender down-curved bills.
82. A condition (mostly in boys) characterized by behavioral and learning disorders.
83. A canvas or leather bag for carrying game (especially birds) killed by a hunter.
84. A small cake leavened with yeast.

1. A disorderly outburst or tumult.
2. A Tibetan or Mongolian priest of Lamaism.
3. An Arabic speaking person who lives in Arabia or North Africa.
4. Gay or light-hearted recreational activity for diversion or amusement.
5. Experiencing or showing sorrow or unhappiness.
6. Genus of herbs of southern United States.
7. (Greek mythology) A Titan who was forced by Zeus to bear the sky on his shoulders.
8. An English pirate who operated in the Caribbean and off the Atlantic coast of North America (died in 1718).
9. The products of human creativity.
10. A daughter of your brother or sister.
11. National capital of Kiribati.
12. Large ornamental tropical American tree with bipinnate leaves and globose clusters of flowers with crimson stamens and sweet-pulp seed pods eaten by cattle.
13. A small canoe consisting of a light frame made watertight with animal skins.
14. A native or inhabitant of Iran.
22. A plant hormone promoting elongation of stems and roots.
25. A long projecting or anterior elongation of an animal's head.
27. A federally chartered corporation that purchases mortgages.
30. Eaten as mush or as a thin gruel.
31. United States photographer remembered for her portraits of rural workers during the Depression (1895-1965).
32. A member of a formerly tribal people now living in south central India.
36. Support resembling the rib of an animal.
37. A state in midwestern United States.
38. (neurology) Of or relating to the vagus nerve.
39. Any of a group of antidepressant drugs that inhibit the action of monoamine oxidase in the brain and so allow monoamines to accumulate.
40. A hazy or indistinct representation.
41. Any orchid of the genus Disa.
43. West Indian tree having racemes of fragrant white flowers and yielding a durable timber and resinous juice.
44. Perceive sound.
46. A woman of refinement.
49. Designer drug designed to have the effects of amphetamines (it floods the brain with serotonin) but to avoid the drug laws.
51. A woman sahib.
53. A silvery soft waxy metallic element of the alkali metal group.
56. African tree having an exceedingly thick trunk and fruit that resembles a gourd and has an edible pulp called monkey bread.
59. Having services engaged for a fee.
60. (architecture) Forming or resembling an arch.
62. 1/10 gram.
63. A dark region of considerable extent on the surface of the moon.
65. Jordan's port.
66. Formerly a term of respect for important white Europeans in colonial India.
67. Squash bugs.
69. Open-heart surgery in which the rib cage is opened and a section of a blood vessel is grafted from the aorta to the coronary artery to bypass the blocked section of the coronary artery and improve the blood supply to the heart.
71. The basic unit of money in Vietnam.
75. The cry made by sheep.
76. A human limb.
80. A brittle gray crystalline element that is a semiconducting metalloid (resembling silicon) used in transistors.