Across

1. Floe occupant

7. Early arrival, to a midwife

13. Thebaine and codeine

15. Military formation

16. Pizza topping

17. Rejuvenating transition

18. God, to 40-Down

19. Oxytocin or estrogen

21. Half a dance

22. Billions of years

24. Harvests

25. Turn liquid into gas

26. Quaff

28. Indefinite ordinal

29. Megagram

30. Apple market

32. Size measurement, to a fisherman

34. Common pizzeria name

35. Songbird

36. Excavate to find

38. Existing, to roommates

41. Shoulder weapon

42. And so on

44. Sand bar

46. Great Lake

47. $100, on the sly

49. One possible end for a star

50. Cute gun sound

51. Ali, to his mother

53. The slightest flaw

54. Polish remover

56. Mild, as in weather

58. Prosthetic, to a lover

59. Worship meeting

60. Sleeping sickness vector

61. Desiccated grape

Down

1. Arboreal

2. Armchair knowledge

3. What you do after you inflate an air mattress

4. Disposable cloth

5. Home of the Jazz

6. Spanish honorific

7. Pills, to a dieter

8. Broccoli ___ (rapini)

9. Cotton gin inventor

10. Radio pioneer

11. Fashionable choice, with 'the'

12. Sigh

14. Danish chemist behind pH

15. Rubbers, to a chemist

20. Flat surface

23. Spoon, in bed

25. Popular wildlife painter

27. Hand weapon

29. Tropical root vegetables

31. Windows startup composer

33. Auricle

36. One-legged trips, to a travel agent

37. Prefix to a rich man or a carpenter

39. "___ Alone" (Sondheim song)

40. Lisa painter

41. Feast

43. How-___

45. Metal in thin sheets

47. Kayak's cousin

48. 18th century Swiss mathematician

51. Police

52. Vaccines

55. Tit's provocation

57. Early 11th century year