1. The sign language used in the United States.
4. A spar rising aft from a mast to support the head of a quadrilateral fore-and-aft sail.
8. A dark-skinned member of a race of people living in Australia when Europeans arrived.
11. Aircraft landing in bad weather in which the pilot is talked down by ground control using precision approach radar.
12. In bed.
13. A reproach for some lapse or misdeed.
14. An ugly evil-looking old woman.
15. A Chadic language spoken south of Lake Chad.
16. Minor or subordinate.
17. A public promotion of some product or service.
20. A radioactive element of the actinide series.
24. Sluggish tailless Australian arboreal marsupial with gray furry ears and coat.
26. Extremely pleasing.
27. Being one hundred more than three hundred.
28. Designer drug designed to have the effects of amphetamines (it floods the brain with serotonin) but to avoid the drug laws.
31. A Kwa language spoken by the Yoruba people in southwestern Nigeria.
34. The blood group whose red cells carry both the A and B antigens.
36. A wall hanging of heavy handwoven fabric with pictorial designs.
39. The basic unit of money in Bulgaria.
40. A unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material.
42. A river in north central Switzerland that runs northeast into the Rhine.
44. The 7th letter of the Greek alphabet.
45. Being two more than fifty.
46. The basic unit of money in Iran.
47. An associate degree in applied science.
48. A doctor's degree in education.
49. A small cake leavened with yeast.

1. Title for a civil or military leader (especially in Turkey).
2. Any of a number of fishes of the family Carangidae.
3. The act of slowing down or falling behind.
4. A member of an agricultural people in southeastern India.
5. A loose sleeveless outer garment made from aba cloth.
6. The month following January and preceding March.
7. A federal agency established to regulate the release of new foods and health-related products.
8. Someone who engages in arbitrage (who purchases securities in one market for immediate resale in another in the hope of profiting from the price differential).
9. Common Indian weaverbird.
10. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
18. West Indian tree having racemes of fragrant white flowers and yielding a durable timber and resinous juice.
19. Light informal conversation for social occasions.
21. A rotating disk shaped to convert circular into linear motion.
22. A federation of North American labor unions that merged with the Congress of Industrial Organizations in 1955.
23. Wasting of the body during a chronic disease.
25. A doctor's degree in optometry.
29. Filled with fear or apprehension.
30. Any plant of the genus Kalmia.
32. Cubes of meat marinated and cooked on a skewer usually with vegetables.
33. A small pendant fleshy lobe at the back of the soft palate.
35. A Chadic language spoken south of Lake Chad.
36. A soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal.
37. A rapid series of short loud sounds (as might be heard with a stethoscope in some types of respiratory disorders).
38. Lacking sufficient water or rainfall.
39. An official prosecutor for a judicial district.
41. Any of several small ungulate mammals of Africa and Asia with rodent-like incisors and feet with hooflike toes.
43. The ball-shaped capsule containing the vertebrate eye.