Across

1. Large boat

4. Encourage

7. The (French)

8. Turning back of tide

10. Mother

11. Room

13. Sheep sound

15. Long-tailed rodent

17. Gulp food down

18. Large primate

19. Morning moisture on grass

21. deep humming

24. In like manner

26. Whichever

27. Rural route (abbr.)

28. Cook by boiling slowly

29. Not odd

Down

1. Slovenly person

2. That male person

3. Vigor, energetic

4. Alphabet start

5. Letter M

6. Sour

9. Air-filled party favor

11. Had cut with serrated tools

12. Wear away

14. Type of snake

16. Reverence

18. Cry of grief

20. Caution

22. Uncooked

23. Bill ___ the Science Guy

25. Saint (abbr.)

27. Regarding (abbr.)