1. First World War plane
5. Bar bill
8. A covered cistern
12. Countertenor
13. Deadly
15. Leg joint
16. Thug
17. Sarcasm
18. A type of hair style
19. A meeting arranged in advance
22. Poetic time of day
23. Registered nursing assistant
24. Talk
26. Brawn
29. Graphs
31. Lair
32. Calm
34. Bridget Fonda, to Jane
36. Tallies
38. Stories
40. Apothecary's weight
41. Cede
43. Water nymph
45. Before
46. Far away from home
48. Cirrus, cumulus and nimbus, for example
50. Sword
51. Charged particle
52. Missing In Action
54. A business relationship
61. Exploits
63. Indian antelope
64. Distinctive atmosphere
65. Anagram of "Leer"
66. Make into law
67. Dart
68. Swirl
69. Perturb
70. Otherwise
2. With a short hollow thud
3. At the peak of
4. Givers
5. Fruity pastry
6. "Smallest particle"
7. Curse
8. Music with jazzlike riffs
9. Unshackled
10. No more than
11. Unskilled laborer
13. At long last
14. Kill without legal sanction
21. Comparative word
25. Dry
26. TV, radio, etc.
27. Unbeaten
28. African antelope
29. Faultfinder
30. Marks left by wounds
31. 24 little hours
33. Southern constellation
35. An uncle
37. Slide
39. Prominent
44. A swinging barrier to a room
47. Rent
49. Dangerous
52. Filly's mother
53. Chilled
55. Hindu princess
56. Russian emperor
57. Notch
58. Body of a ship
59. Colored part of an eye
60. A spread of liver or fowl
62. Clever