keokuk
- n Sauk leader who aided the United States against Black Hawk (1790-1848)
kepler
- n German astronomer who first stated laws of planetary motion (1571-1630)
kepler's first law
- n a law stating that the orbit of each planet is an ellipse with the sun at one focus of the ellipse
kepler's law
- n (astronomy) one of three empirical laws of planetary motion stated by Johannes Kepler
kepler's law of planetary motion
- n (astronomy) one of three empirical laws of planetary motion stated by Johannes Kepler