1. (Judaism) Sacred chest where the ancient Hebrews kept the two tablets containing the Ten Commandments.
4. The largest city and former capital of Turkey.
12. The local time at the 0 meridian passing through Greenwich, England.
15. The Tibeto-Burman language spoken in the Dali region of Yunnan.
16. A cell without a nucleus (as an erythrocyte).
17. Of or relating to a member of the Buddhist people inhabiting the Mekong river in Laos and Thailand.
18. A period marked by distinctive character or reckoned from a fixed point or event.
19. Lifting device for raising heavy or cumbersome objects v 1.
20. Lower in esteem.
22. Lacking or deprive of the sense of hearing wholly or in part.
24. Having great (or a certain) extent from one side to the other.
26. Toward the mouth or oral region.
27. Wasting of the body during a chronic disease.
29. A feudal lord or baron in Scotland.
31. A unit of information equal to 1024 bytes.
33. An Indian side dish of yogurt and chopped cucumbers and spices.
35. A condition (mostly in boys) characterized by behavioral and learning disorders.
38. Artificial and inferior.
40. Any of a group of Indic languages spoken in Kashmir and eastern Afghanistan and northern Pakistan.
43. A person who makes use of a thing.
45. English monk and scholar (672-735).
48. Title for a civil or military leader (especially in Turkey).
51. (informal) Informed about the latest trends.
52. Gibberish resembling the sounds of a baby.
55. Cone-shaped mass of ovule- or spore-bearing scales or bracts.
57. A river in central Brazil that flows generally northward (with many falls) to join the Tocantins River.
59. Israeli religious philosopher (born in Austria) (1878-1965).
60. Shrub bearing oval-fruited kumquats.
62. A motley assortment of things.
64. A soft silvery metallic element.
65. A dark region of considerable extent on the surface of the moon.
67. French writer who generalized surrealism to literature (1897-1982).
71. An island of central Hawaii.
73. Subject to a ruling authority.
76. Plant with an elongated head of broad stalked leaves resembling celery.
77. A member of the Siouan people inhabiting the valleys of the Platte and Missouri rivers in Nebraska.
78. The time between occurrences of a repeating event.
80. A notable achievement.
81. A long projecting or anterior elongation of an animal's head.
82. Sirenian mammal of tropical coastal waters of America.
83. Type genus of the Alcidae comprising solely the razorbill.

1. In bed.
2. Not widely known.
3. Deciduous South African tree having large odd-pinnate leaves and profuse fragrant orange-yellow flowers.
4. A state in midwestern United States.
5. A landlocked federal republic in central Europe.
6. Of or relating to the popular Chinese religious system based on the teachings of Lao-tse but including a pantheon of gods along with divination and magic.
7. Lacking sufficient water or rainfall.
8. A stock exchange in New York.
9. Botfly larva.
10. The local time at the 0 meridian passing through Greenwich, England.
11. A unit of length of thread or yarn.
12. Great brightness.
13. An independent group of closely related Chadic languages spoken in the area between the Biu-Mandara and East Chadic languages.
14. Having a toe or toes of a specified kind.
21. Handsome tree of central and eastern North America having large bipinnate leaves and green-white flowers followed by large woody brown pods whose seeds are used as a coffee substitute.
23. The capacitance of a capacitor that has an equal and opposite charge of 1 coulomb on each plate and a voltage difference of 1 volt between the plates.
25. Of or relating to or characteristic of the Republic of Chad or its people or language.
28. A Chadic language spoken south of Lake Chad.
30. A public promotion of some product or service.
32. An ancient city in northern Portugal.
34. The sixth month of the civil year.
36. (statistics) Any of nine points that divided a distribution of ranked scores into equal intervals where each interval contains one-tenth of the scores.
37. Marked by suitability or rightness or appropriateness.
39. A cylindrical drawstring bag used by sailors to hold their clothing and other gear.
41. Inability to walk.
42. Disparaging terms for the common people.
44. Formerly a term of respect for important white Europeans in colonial India.
46. Date used in reckoning dates before the supposed year Christ was born.
47. An isogram connecting points having equal barometric pressure at a given time.
49. A high wave (often dangerous) caused by tidal flow (as by colliding tidal currents or in a narrow estuary).
50. A colorless and odorless inert gas.
53. Type genus of the Bramidae.
54. Tibetan Buddhism having great variety in its ritual practices and a complex hierarchical organization.
56. A state of Uganda and site of a former Bantu kingdom.
58. A river that rises in northern Colombia and flows generally eastward to the Orinoco in central Venezuela.
61. Make less active or intense.
63. An emblem (a small piece of plastic or cloth or metal) that signifies your status (rank or membership or affiliation etc.).
66. A theocratic republic in the Middle East in western Asia.
68. A Gaelic-speaking Celt in Ireland or Scotland or the Isle of Man.
69. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
70. A quantity of no importance.
72. An elegantly dressed man (often with affected manners).
74. Provided with artificial light.
75. The compass point midway between northeast and east.
79. An informal term for a father.