lime

Concise Oxford English Dictionary © 2008 Oxford University Press:
lime1

▶noun

• 1 quicklime, slaked lime, or any salt or alkali containing calcium.

• 2 archaic birdlime.

▶verb

• 1 treat with lime.

• 2 archaic catch (a bird) with birdlime.

– derivatives
limy adjective.

– origin OE līm, of Gmc origin; rel. to loam.

Concise Oxford English Dictionary © 2008 Oxford University Press:
lime2

▶noun

• 1 a rounded green citrus fruit similar to a lemon.

  ■ a drink made from lime juice.

• 2 (also lime tree) the evergreen citrus tree which produces limes. [Citrus aurantifolia.]

• 3 a bright light green colour.

– origin C17: from Fr., from mod. Provençal limo, Sp. lima, from Arab. līma; cf. lemon.

Concise Oxford English Dictionary © 2008 Oxford University Press:
lime3 (also lime tree)

▶noun a deciduous tree with heart-shaped leaves and fragrant yellowish blossom. [Genus Tilia: many species.]

– origin C17: alt. of obs. line, from OE lind (see linden).