triennium/trieʹeni·əm/ noun (pl trienniums triennia /-ni·ə/)

• brown bear
• brown belt
• brown coal
• brown dwarf
• browned-off
• brown fat
• brownfield
• brown goods
• Brownian motion
• brownie
• Brownie Guide
• brownie point
• browning
• brown-nose
• brown-noser
• brownout
• brown owl
• brown rat
• brown rice
• brown sauce
• Brownshirt
• brownstone
• brown study
• brown sugar
• brown trout