- Gumption - Spinal column - Spine - Sponsor second-rate one not found in invertebrates - Sponsor secondrate one not found in invertebrates - steadfastness - Vertebrae
- An aquatic hemipterous insect of the genus Notonecta; -- so
called from swimming on its back, which gives it the appearance of a
little boat. Called also boat fly, boat insect, boatman, and water
boatman.