1: Humidor item

6: Former Iranian ruler

10: Buckwheat noodles of Japan

14: Clay brick

15: Used to be

16: Warm up, for short

17: Bailiwick

18: Like the Atacama

19: Monthly payment, for many

20: Hazarding a guess: doughy metaphysician?

23: Fancy affairs

24: Carp constantly

25: Hung in there

29: Goes downhill fast?

31: Generation separator

34: In base 8

35: Goes out with

36: Akebono's sport

37: Moving

40: Crystal sound

41: Mercury or Saturn

42: Core group

43: Like any number finishing with '9'

44: 'Them' insects

45: Triplets

46: Teamwork deterrent

47: Welcoming gift on Maui

48: Between Earth and Venus, e.g.

56: ___ cheese

57: Grad

58: Trial setting

59: Miffed, with 'off'

60: 'Don't stop'

61: Word with worm or moth

62: Walk in water

63: Knocks for a loop

64: Slides on ice, maybe

1: Gripe, gripe, gripe

2: Brainwave

3: One-third of a hat trick

4: Up to the task

5: Upgrades the kitchen

6: Whacks

7: Long lunch?

8: Nutmeg covering

9: Pleasure seeker

10: Parsley piece

11: Hematite and galena

12: Crooked

13: Liable

21: Silent sayso

22: Brake neighbor

25: Keno's cousin

26: Caustic

27: Easel, e.g.

28: Chinese dynasty

29: Pants' parts

30: Numbers game

31: Tour honcho

32: Love, Italian style

33: Johnnycakes

35: Slattern

36: Name on the marquee

38: Continuous scene

39: Makes it to the top

44: Historical period

45: Half a score

46: Piano practice piece

47: Fabrics with metallic threads

48: Some intestinal divisions

49: Exigency

50: Till the ground

51: Trout tempter

52: Wood used for furniture

53: Knock preceder

54: Regretted

55: Deep desires

56: Incidentally, in Netspeak