1. Unit of luminous flux
6. Back of the neck
10. Friends
14. A kind of macaw
15. Smell
16. Black, in poetry
17. Reporter
19. Formally surrender
20. A Christian celebration
21. Mineral rock
22. An enclosure
23. A fencing sword
25. Player
26. Mugs
30. Laughable
32. Unfortunate
35. A wheeled domicile
39. At risk
40. Silicon dioxide
41. They're found in the throat
43. Exhibition room
44. Accuse
46. Burden
47. Hut
50. Anagram of "Daubs"
53. Transfer possession
54. A high alpine meadow
55. Not outside
60. Diving bird
61. Driven by lust
63. Ear-related
64. Among
65. Certain chess pieces
66. Walk in water
67. Bristle
68. Spoke (archaic)
2. Component of urine
3. Mouths
4. At one time (archaic)
5. Scruffs
6. Neither ___
7. Accumulate on the surface
8. Most destitute
9. Sea eagle
10. Indiscretion
11. Perpendicular to the keel
12. Hostel
13. Contemptuous look
24. Alcove
25. Chalice
26. Religious splinter group
27. Pearly-shelled mussel
28. Scheme
29. An abatement in intensity
31. Constellation bear
33. Climate
34. Large brown seaweed
36. Mortgage
37. Beige
38. Beams
43. African antelope
45. Stratagem
47. Alit
48. Flora and fauna
49. Egg-shaped
51. Accomplished
52. Trims
54. "Oh my!"
56. Break
57. Hawkeye State
58. Immerse briefly
59. Being
62. Actress Lupino