kamet
- n a mountain in the Himalayas in northern India (25,450 feet high)
katsina
- n a city in northern Nigeria; a major center of the Hausa people
jacques loeb
- n United States physiologist (born in Germany) who did research on parthenogenesis (1859-1924)
jack kerouac
- n United States writer who was a leading figure of the beat generation (1922-1969)
jack ladder
- n (nautical) a hanging ladder of ropes or chains supporting wooden or metal rungs or steps
jack london
- n United States writer of novels based on experiences in the Klondike gold rush (1876-1916)
jack nicklaus
- n United States golfer considered by many to be the greatest golfer of all time (born in 1940)
jack oak
- n a common scrubby deciduous tree of central and southeastern United States having dark bark and broad three-lobed (club-shaped) leaves; tends to form dense thickets
- n small to medium deciduous oak of east central North America; leaves have sharply pointed lobes
jack of all trades
- n a person able to do a variety of different jobs acceptably well
- n a man skilled in various odd jobs and other small tasks