1. Any of various trees of the genus Ulmus.
4. A member of the Iroquoian people formerly living east of Lake Ontario.
10. The branch of information science that deals with natural language information.
13. A doctor's degree in education.
14. A high-crowned black cap (usually made of felt or sheepskin) worn by men in Turkey and Iran and the Caucasus.
15. The organ of sight (`peeper' is an informal term for `eye').
16. A barrier constructed to contain the flow or water or to keep out the sea.
17. Having come or been brought to a conclusion.
19. Jordan's port.
21. Small genus of Eurasian shrubs with yellow flowers and bladdery pods.
23. Frogs, toads, tree toads.
26. A state in northwestern North America.
27. Half the width of an em.
28. A native or inhabitant of Scotland.
31. Counting the number of white and red blood cells and the number of platelets in 1 cubic millimeter of blood.
32. (British) A waterproof raincoat made of rubberized fabric.
34. A large fleet.
39. The cry made by sheep.
42. A particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography).
43. A communist state in Indochina on the South China Sea.
45. Cook and make edible by putting in a hot oven.
47. Any of several small ungulate mammals of Africa and Asia with rodent-like incisors and feet with hooflike toes.
48. A bachelor's degree in science.
49. (Jungian psychology) The inner self (not the external persona) that is in touch with the unconscious.
51. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
55. A sheet or band of fibrous connective tissue separating or binding together muscles and organs etc.
59. The most common computer memory which can be used by programs to perform necessary tasks while the computer is on.
63. Type genus of the Ranidae.
64. A defensive missile designed to shoot down incoming intercontinental ballistic missiles.
65. Surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments.
67. A magnetic tape recorder for recording (and playing back) TV programs.
68. Time for Earth to make a complete rotation on its axis.
69. A member of an agricultural people of southern India.
70. Informal terms for the mouth.

1. Tropical starchy tuberous root.
2. An accidental hole that allows something (fluid or light etc.) to enter or escape.
3. Designer drug designed to have the effects of amphetamines (it floods the brain with serotonin) but to avoid the drug laws.
4. A large body of water constituting a principal part of the hydrosphere.
5. (British) Your grandmother.
6. Late time of life.
7. A medicinal drug used to evoke vomiting (especially in cases of drug overdose or poisoning).
8. Panel forming the lower part of an interior wall when it is finished differently from the rest.
9. A radioactive element of the actinide series.
10. Clean or orderly.
11. A school for students intermediate between elementary school and college.
12. Large dark brown North American arboreal carnivorous mammal.
18. Japanese mathematical physicist who proposed that nuclear forces are mediated by massive particles called mesons which are analogous to the photon in mediating electromagnetic forces (1907-1981).
20. A Chadic language spoken south of Lake Chad.
22. A Tibetan or Mongolian priest of Lamaism.
24. Fiddler crabs.
25. A soft silvery metallic element of the alkali metal group.
29. A capacity unit used for measuring fresh herring.
30. A strategically located monarchy on the southern and eastern coasts of the Arabian Peninsula.
33. One of a set of small pieces of stiff paper marked in various ways and used for playing games or for telling fortunes.
35. A software system that facilitates the creation and maintenance and use of an electronic database.
36. Kamarupan languages spoken in western Burma and Bangladesh and easternmost India.
37. Large brownish-green New Zealand parrot.
38. An associate degree in applied science.
40. A loose sleeveless outer garment made from aba cloth.
41. A Dravidian language spoken in southern India.
42. Panel forming the lower part of an interior wall when it is finished differently from the rest.
44. The elementary stages of any subject (usually plural).
46. The rate at which energy is drawn from a source that produces a flow of electricity in a circuit.
50. A river in north central Switzerland that runs northeast into the Rhine.
52. A metabolic acid found in yeast and liver cells.
53. An annual award for outstanding achievements in television.
54. Offering fun and gaiety.
56. Short-tailed rough-haired South American rodent.
57. A ruler of the Inca Empire (or a member of his family).
58. An association of people to promote the welfare of senior citizens.
60. A compartment in front of a motor vehicle where driver sits.
61. An authoritative direction or instruction to do something.
62. The act of slowing down or falling behind.
66. An official prosecutor for a judicial district.