A small, green butterfly, Callophrys rubi, of the family Lycaenidae.

plural of green hairstreak

(Canada) In some jurisdictions, a type of traffic light signal, in which the green light initially flashes while the matching light for oncoming traffic remains red, signalling drivers that they may make an unobstructed turn across the oncoming lane while the flashing continues.

plural of green room

A roof of a house or other building which is covered with soil and grass, plants, trees, or other landscaping materials.

plural of green roof

malachite green

(cycle racing) The green-colored shirt worn by the leader of a subsidiary competition in a race. In the Tour de France it is worn by the leader of the points competition.

Polytelis swainsonii, a mostly bright green parrot of southeastern Australia.

plural of green leek