1. Mat-forming perennial found in cold springs of the eastern United States
   - American watercress, mountain watercress

Type of: watercress

• dynamical system
• dynamically
• dynamics
• dynamise
• dynamism
• dynamist
• dynamite
• dynamiter
• dynamitist
• dynamize
• dynamo
• dynamometer
• Dynapen
• dynast
• dynastic
• dynasty
• dyne
• dysaphia
• dysarthria
• dyscalculia
• dyschezia
• dyscrasia
• Dysdercus
• dysentery
• dysfunction