1. A fatal disease of cattle that affects the central nervous system.
4. A French abbot.
8. The elementary stages of any subject (usually plural).
11. A drug combination found in some over-the-counter headache remedies (Aspirin and Phenacetin and Caffeine).
12. A barrier consisting of a horizontal bar and supports.
13. The cry made by sheep.
14. A police officer who investigates crimes.
15. The longest division of geological time.
17. A public promotion of some product or service.
18. A radioactive element of the actinide series.
24. Any of a number of fishes of the family Carangidae.
26. A room or establishment where alcoholic drinks are served over a counter.
27. A loose sleeveless outer garment made from aba cloth.
30. Having undesirable or negative qualities.
32. Evergreen tree of warm regions having fuzzy yellow olive-sized fruit with a large free stone.
34. A light touch or stroke.
36. The basic unit of money in Romania.
37. Small buffalo of the Celebes having small straight horns.
39. The capital and largest city of Yemen.
43. (astronomy) The angular distance of a celestial point measured westward along the celestial equator from the zenith crossing.
44. A Hindu prince or king in India.
48. An interior passage or corridor onto which rooms open.
49. A defensive missile designed to shoot down incoming intercontinental ballistic missiles.
51. An anxiety disorder characterized by chronic free-floating anxiety and such symptoms as tension or sweating or trembling of light-headedness or irritability etc that has lasted for more than six months.
52. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
53. General term for any insect or similar creeping or crawling invertebrate.
54. A dark-skinned member of a race of people living in Australia when Europeans arrived.
55. (Greek mythology) Goddess of the earth and mother of Cronus and the Titans in ancient mythology.

1. A Chadic language spoken south of Lake Chad.
2. A detailed description of design criteria for a piece of work.
3. (computer science) A coding system that incorporates extra parity bits in order to detect errors.
4. Of or relating to or involving an area.
5. African tree having an exceedingly thick trunk and fruit that resembles a gourd and has an edible pulp called monkey bread.
6. A container.
7. Angular distance above the horizon (especially of a celestial object).
8. The blood group whose red cells carry both the A and B antigens.
9. Any of numerous local fertility and nature deities worshipped by ancient Semitic peoples.
10. (of a young animal) Abandoned by its mother and raised by hand.
16. An official prosecutor for a judicial district.
19. Someone who is morally reprehensible.
20. A self-governing colony of Denmark on the Faroe Islands.
21. A man who is the lover of a girl or young woman.
22. A group of Plains Indians formerly living in what is now North and South Dakota and Nebraska and Kansas and Arkansas and Louisiana and Oklahoma and Texas.
23. Round object that is hit or thrown or kicked in games.
25. A white metallic element that burns with a brilliant light.
28. A soft silvery metallic element of the alkali earth group.
29. A highly unstable radioactive element (the heaviest of the halogen series).
31. A small pellet fired from an air rifle or BB gun.
33. Atlantic coast round clams with hard shells.
35. A river in north central Switzerland that runs northeast into the Rhine.
38. (Babylonian) God of wisdom and agriculture and patron of scribes and schools.
39. Being ten more than one hundred ninety.
40. Plant with an elongated head of broad stalked leaves resembling celery.
41. On or toward the lee.
42. Type genus of the Alcidae comprising solely the razorbill.
45. Title for a civil or military leader (especially in Turkey).
46. A sharp hand gesture (resembling a blow).
47. A rapid bustling commotion.
50. 1/1000 gram.