giant fir
- n lofty fir of the Pacific coast of northwestern America having long curving branches and deep green leaves
giant foxtail
- n two species of coarse annual foxtails that are naturalized weeds in United States
giant granadilla
- n tropical American passionflower yielding the large granadilla fruit
giant helleborine
- n orchid growing along streams or ponds of western North America having leafy stems and 1 greenish-brown and pinkish flower in the axil of each upper leaf
giant hives
- n recurrent large circumscribed areas of subcutaneous edema; onset is sudden and it disappears within 24 hours; seen mainly in young women, often as an allergic reaction to food or drugs
giant hyssop
- n any of a number of aromatic plants of the genus Agastache
giant kangaroo
- n very large greyish-brown Australian kangaroo formerly abundant in open wooded areas
giant lizard
- n the largest lizard in the world (10 feet); found on Indonesian islands
giant northwest shipworm
- n giant shipworm of the Pacific coast of North America
giant panda
- n large black-and-white herbivorous mammal of bamboo forests of China and Tibet; in some classifications considered a member of the bear family or of a separate family Ailuropodidae