lemon

noun

• 1a pale yellow oval citrus fruit with thick skin and fragrant, acidic juice: the juice of seven lemons [mass noun]:garnish with a slice of lemon [as modifier]:lemon juice
• [mass noun] a drink made from or flavoured with lemon juice:a port and lemon

• 2 (also lemon tree) the evergreen citrus tree which produces lemons, widely cultivated in warm climates.

  • Citrus limon, family Rutaceae

• 3 [mass noun] a pale yellow colour: [as modifier]:a lemon T-shirt

• 4 informal an unsatisfactory or feeble person or thing:car-makers cannot afford to create lemons