1. Protects the environment
4. Scottish for "Have"
7. Condition
12. Colloid
13. Title of respect
14. Having a pair of equal and opposite charges
15. Egg-shaped terra-cotta instrument
17. The Muse of lyric and love poetry (Greek mythology)
18. The cry made by sheep
19. A baglike structure in a plant or animal
21. Spanish for "More"
22. Any of several carangid fishes
24. __ student, learns healing
25. An open skin infection
26. What you can repeat immediately after perceiving it
27. A ceremonial procession
29. Inspire with love
31. Incited
35. Free from turmoil or worries
37. Before
38. Fired from a gun
41. Corporate executive title
42. Protective crust on a sore or wound
43. A passage with access only at one end
44. Spanish for "Saint"
45. Institute legal proceedings against
46. Bone cavities
48. Religious day of rest
52. A language branch of the Uralic language family
53. ___ Lilly, drug company
54. Patti Hearst's captors
55. Wampums
56. Red Blood Cell count
57. Electronic countermeasures
2. Chest muscle (slang)
3. Southern US state
4. First Chinese dynasty
5. Scottish for "Own"
6. Rubber tip found on most pencils
7. A detailed description of design criteria
8. Celtic for "Hill"
9. San Antonio fort
10. Eastern Mongolian tribes
11. Having an irregularly notched or toothed margin
20. Composition
22. The compass point midway between south and southeast
23. Box (abbrev.)
24. Hollow pieces of wood or bone
25. Ocean
27. Veteran politician
28. Department Of Defense
30. Gas usage measurement
32. Die
33. Earned Run Average (baseball)
34. Cotillion attendee
38. Diving ducks of North America
39. Lurch
40. "Most" or "Best"
42. Underwater vessel
44. Pouches
45. Invests in little enterprises
47. Arrangement of masts, spars, sails, etc., on a vessel
49. A close-sleeved linen liturgical vestment
50. The Learning Channel
51. Pork