1. (Irish) Mother of the ancient Irish gods.
4. A collection of objects laid on top of each other.
8. Of southern Europe.
11. A periodic paperback publication.
12. Type genus of the Alcidae comprising solely the razorbill.
13. Aircraft landing in bad weather in which the pilot is talked down by ground control using precision approach radar.
14. An organization of countries formed in 1961 to agree on a common policy for the sale of petroleum.
16. A potent estrogen used in medicine and in feed for livestock and poultry.
17. Tag the base runner to get him out.
18. A family of Sino-Tibetan languages spoken in southeastern Asia.
19. Tropical American trees with palmately compound leaves and showy bell-shaped flowers.
23. A blow from a flat object (as an open hand).
26. The cry made by sheep.
30. Submerged aquatic plant having narrow leaves and small flowers.
32. Title for a civil or military leader (especially in Turkey).
33. A white metallic element that burns with a brilliant light.
34. A radioactive element of the actinide series.
36. Extremely pleasing.
39. A soft silvery metallic element of the alkali earth group.
41. A public promotion of some product or service.
44. (Babylonian) God of storms and wind.
46. A compartment in front of a motor vehicle where driver sits.
49. The emotion of hate.
50. Not in good physical or mental health.
51. A master's degree in business.
52. Lacking in liveliness or charm or surprise.
53. Small cubes with 1 to 6 spots on the faces.
54. A close friend who accompanies his buddies in their activities.
55. (Akkadian) God of wisdom.

1. In a murderous frenzy as if possessed by a demon.
2. Plant with an elongated head of broad stalked leaves resembling celery.
3. Advanced in years.
4. (astronomy) The angular distance of a celestial point measured westward along the celestial equator from the zenith crossing.
5. Late time of life.
6. (informal) Of the highest quality.
7. An archaic name for Easter or Passover.
8. God of fire.
9. Someone who works (or provides workers) during a strike.
10. A metabolic acid found in yeast and liver cells.
15. A high-crowned black cap (usually made of felt or sheepskin) worn by men in Turkey and Iran and the Caucasus.
20. (Akkadian) God of wisdom.
21. The blood group whose red cells carry both the A and B antigens.
22. An amino acid that is found in the central nervous system.
24. A white soft metallic element that tarnishes readily.
25. The branch of computer science that deal with writing computer programs that can solve problems creatively.
27. Resinlike substance secreted by certain lac insects.
28. A soft white precious univalent metallic element having the highest electrical and thermal conductivity of any metal.
29. An official prosecutor for a judicial district.
31. A light touch or stroke.
35. A telegram sent abroad.
37. The sixth month of the civil year.
38. A Chadic language spoken south of Lake Chad.
40. Harsh or corrosive in tone.
41. A ductile gray metallic element of the lanthanide series.
42. A small cake leavened with yeast.
43. Any of numerous local fertility and nature deities worshipped by ancient Semitic peoples.
45. A young woman making her debut into society.
47. American prizefighter who won the world heavyweight championship three times (born in 1942).
48. (folklore) Fairies that are somewhat mischievous.
49. The blood group whose red cells carry both the A and B antigens.