geranium maculatum
- n common wild geranium of eastern North America with deeply parted leaves and rose-purple flowers
geranium molle
- n western geranium with small pink flowers; a common weed on lawns and in vacant lots
geranium pratense
- n tall perennial cranesbill with paired violet-blue axillary flowers; native to northern parts of Old World and naturalized in North America
geranium richardsonii
- n geranium of western North America having branched clusters of white or pale pink flowers
geranium robertianum
- n a sticky low herb with small reddish-purple flowers; widespread in the northern hemisphere
geranium viscosissimum
- n geranium of western North America having pinkish-purple flowers in open clusters
gerard kuiper
- n United States astronomer (born in the Netherlands) who studied the solar system and suggested in 1951 that there is a belt of comet-like debris at the edge of the solar system (1905-1973)
gerard peter kuiper
- n United States astronomer (born in the Netherlands) who studied the solar system and suggested in 1951 that there is a belt of comet-like debris at the edge of the solar system (1905-1973)