lemony

Concise Oxford English Dictionary © 2008 Oxford University Press:
lemon/ˈlemən/

▶noun

• 1 a pale yellow oval citrus fruit with thick skin and fragrant, acidic juice.

  ■ a drink made from or flavoured with lemon juice.

• 2 the evergreen citrus tree which produces lemons. [Citrus limon.]

• 3 a pale yellow colour.

• 4 informal an unsatisfactory person or thing.

– derivatives
lemony adjective.

– origin ME: via OFr. limon from Arab. līmūn; cf. lime2.