1. Very leafy malodorous tropical weedy shrub whose seeds have been used as an adulterant for coffee; sometimes classified in genus Cassia
   - coffee senna, mogdad coffee, styptic weed, stinking weed, Senna occidentalis

Type of: senna

• Regnellidium diphyllum
• rego
• regorge
• regosol
• regrade
• regress
• regression
• regression analysis
• regression coefficient
• regression curve
• regression equation
• regression line
• regression of y on x
• regression toward the mean
• regressive
• regret
• regretful
• regretfully
• regrets
• regrettable
• regrettably
• regroup
• regrow
• regrowth
• regular