sco·ter 
(skōtər)
(skōtər)n.
Any of several dark-colored diving ducks of the genus Melanitta of the Northern Hemisphere. Also called coot.
[Origin unknown.]
- third market
- Third Order
- third party
- third person
- third-person
- third quantum number
- third quarter moon
- third rail
- third-rate
- Third Reich
- third-stream
- third stream
- Third World
- Third-World
- Third Worlder
- thirst
- cryptobiosis
- cryptobiotic
- cryptoclastic
- cryptococcal
- cryptococcosis
- cryptococcus
- cryptocrystalline
- cryptogam
- cryptogamic