1. aquatic mammal whales and dolphins; manatees and dugongs; walruses; seals
  2. pouched mammal mammals of which the females have a pouch (the marsupium) containing the teats where the young are fed and carried
  3. egg-laying mammal the most primitive mammals comprising the only extant members of the subclass Prototheria
  4. young mammal any immature mammal
  5. catechismal of or relating to a catechism summarizing the principles of Christianity
  6. digitigrade mammal an animal that walks so that only the toes touch the ground as e.g. dogs and cats and horses
  7. megatherian mammal a large extinct ground sloth
  8. aquatic operating or living or growing in water
  9. Equisetum hyemale evergreen erect horsetail with rough-edged stems
  10. artiodactyl mammal placental mammal having hooves with an even number of functional toes on each foot
  11. gnawing mammal relative large gnawing animals
  12. pragmatic concerned with practical matters
  13. aquatic bird wading and swimming and diving birds of either fresh or salt water
  14. aquatic fern ferns that grow in water
  15. protomammal probably warm-blooded; considered direct ancestor of mammals
  16. acoustic meatus either of the passages in the outer ear from the auricle to the tympanic membrane
  17. aquatics sports that involve bodies of water
  18. ectodermal of or relating to the ectoderm
  19. Agathis dammara native to the Moluccas and Philippines
  20. field chamomile European white-flowered weed naturalized in North America