1. urinary bladder a membranous sac for temporary retention of urine
  2. air bladder an air-filled sac near the spinal column in many fishes that helps maintain buoyancy
  3. vulnerable capable of being wounded or hurt
  4. urinary apparatus the system that includes all organs involved in reproduction and in the formation and voidance of urine
  5. river boulder a boulder that has been carried by a river to a place remote from its place of origin
  6. rollerblader a skater who uses Rollerblades
  7. Arenaria peploides perennial succulent herb with small solitary axillary or terminal flowers
  8. urinary system the system that includes all organs involved in reproduction and in the formation and voidance of urine
  9. jerry-builder someone who builds cheap buildings out of poor materials on speculation for a quick profit
  10. neurogenic bladder a urinary bladder disorder caused by a lesion in the nervous system
  11. wren warbler small Asiatic and African bird
  12. aerial ladder mechanically extendible ladder; used on a fire truck
  13. entablature (architecture) the structure consisting of the part of a classical temple above the columns between a capital and the roof
  14. armour-plated covered with heavy steel
  15. armor-plated covered with heavy steel
  16. armour plate specially hardened steel plate used to protect fortifications or vehicles from enemy fire
  17. armor plate specially hardened steel plate used to protect fortifications or vehicles from enemy fire
  18. orchard apple tree native Eurasian tree widely cultivated in many varieties for its firm rounded edible fruits
  19. rudder blade the vertical blade on a rudder
  20. rope ladder a ladder with side pieces of rope