1. A bachelor's degree in theology.
4. The officer below the master on a commercial ship.
8. A workplace for the conduct of scientific research.
11. An affirmative.
12. Make secure by lashing.
13. To make a mistake or be incorrect.
14. (in golf) The standard number of strokes set for each hole on a golf course, or for the entire course.
15. A woman hired to suckle a child of someone else.
16. Aircraft landing in bad weather in which the pilot is talked down by ground control using precision approach radar.
17. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
19. (botany) Of or relating to the axil.
21. A soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal.
22. Any of a group of Indic languages spoken in Kashmir and eastern Afghanistan and northern Pakistan.
24. An ugly evil-looking old woman.
26. Date used in reckoning dates before the supposed year Christ was born.
28. The cry made by sheep.
29. A Chadic language spoken south of Lake Chad.
32. A flexible container with a single opening.
36. British informal term.
37. A loose sleeveless outer garment made from aba cloth.
39. A public promotion of some product or service.
40. The arch of bone beneath the eye that forms the prominence of the cheek.
42. A member of an agricultural people of southern India.
46. Any of a number of fishes of the family Carangidae.
48. The blood group whose red cells carry both the A and B antigens.
49. A graphical record of electric currents associated with muscle contractions.
51. The compass point that is one point east of southeast.
53. The corporate executive responsible for the operations of the firm.
54. A master's degree in business.
55. (of persons) Highest in rank or authority or office.
56. A state in southeastern United States between the Atlantic and the Gulf of Mexico.

1. A mistake in printed matter resulting from mechanical failures of some kind.
2. A collection of objects laid on top of each other.
3. Having the head uncovered.
4. A master's degree in fine arts.
5. A large fleet.
6. An official language of the Republic of South Africa.
7. An ancient Hebrew unit of dry measure equal to about a bushel.
8. A human limb.
9. Type genus of the family Arcidae.
10. (informal) Exceptionally good.
18. A compartment in front of a motor vehicle where driver sits.
20. A unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material.
23. A Hindu prince or king in India.
25. Type genus of the Gavidae.
27. A white metallic element that burns with a brilliant light.
30. A soft silvery metallic element of the alkali earth group.
31. A radioactive element of the actinide series.
33. Agile long-tailed nocturnal African lemur with dense woolly fur and large eyes and ears.
34. An esoteric or occult matter that is traditionally secret.
35. Mild yellow Dutch cheese made in balls.
38. Having undesirable or negative qualities.
41. The highest level or degree attainable.
42. A unit of surface area equal to 100 square meters.
43. Distinctive and stylish elegance.
44. An amino acid that is found in the central nervous system.
45. In bed.
47. A light touch or stroke.
48. A silvery ductile metallic element found primarily in bauxite.
50. Diabetes caused by a relative or absolute deficiency of insulin and characterized by polyuria.
52. The branch of engineering science that studies the uses of electricity and the equipment for power generation and distribution and the control of machines and communication.