ACROSS 1. British Thermal Unit 5. Fanatic 10. Yellow Dutch cheese 14. Historical periods 15. Master of Ceremonies 16. Operatic solo 17. Parties 19. Corrosion 20. Arab state of bliss 21. Therefore 22. Paraffin stick 24. Threesome 25. Failed to fulfill an obligation 26. Swirls 29. Animal fecal matter 30. Crawled 31. Air channels 32. Groove 35. Dogfish as food 36. Dismisses from employment 37. A coniferous tree 38. Japanese sash 39. Save up 40. Beer mug 41. Descendants of French settlers in Louisiana 43. Cooks in an oven 44. Dates 46. Technician (abbrev.) 47. Umbra 48. Athlete 49. Hasten 52. A carry bag 53. Tending to vanish like vapor 56. Flat or level 57. Assistants 58. Chief god (Egyptian mythology) 59. Repose 60. Anagram of "Seder" 61. Tropical Asian starling
	DOWN
	1. A summoning gesture 2. Tall woody plant 3. One of 2 identical parts 4. Utilize 5. "______" wheel amusement ride 6. An idealized image of someone 7. Prefix indicating "Outer" 8. Born 9. Downward movements 10. Breadwinner 11. Monotonous routine work 12. Passageway 13. Joined	18. A hat with no brim or bill 23. Excretory opening 24. Gratuities 25. Hurried 26. Reflected sound 27. Clobber 28. Dries up 29. A black and white diving bird 31. Circular graduated indicators 33. An assemblage regarded as a single entity 34. Anagram of "Nest" 36. Shoes or boots 37. Father of gods (Egyptian mythology)	39. Protagonist 40. Cloth foot coverings 42. Rat or mouse 43. Adjourn 44. Anagram of "Steer" 45. Push 46. Anagram of "Noted" 48. A semiprecious gem 49. Prefix indicating half 50. Knowing a secret (2 words) 51. Sicilian volcano 54. Contend 55. A rotating mechanism