Herschel

Etymology
after its discoverer,.

Proper noun

 * 1)  The planet Uranus. In use until the mid-19th century as an alternative to Georgium Sidus after King George III.
 * 2)  One of several impact craters in the Solar System, such as the one on Mimas.
 * 3) A place name:
 * , named after Sir.
 * 1) A place name:
 * , named after Sir.
 * , named after Sir.
 * , named after Sir.

Noun

 * 1)  A heptomino shaped like the lowercase letter h, critical as a methuselah.

Synonyms

 * D-heptomino, J-heptomino