1. Small genus of usually perennial herbs having deep woody taproots and flower heads of umbels or cymes
   - genus Spraguea

Type of: caryophylloid dicot genus

Part of: family Portulacaceae, Portulacaceae, purslane family

• tribromoethanol
• tribromoethyl alcohol
• tribromomethane
• tribulate
• tribulation
• Tribulus
• Tribulus terestris
• tribunal
• tribune
• tribuneship
• tributary
• tribute
• tribute album
• tributyrin
• tricarboxylic acid cycle
• trice
• trice up
• tricentenary
• tricentennial
• triceps
• triceps brachii
• triceratops
• Trichechidae
• Trichechus
• Trichechus manatus