[huh-vey-lee-uh
s; Ger. hey-vey-lee-oos] 
| 1. | Johannes (Johann Hewel or Hewelke), 1611–87, Polish astronomer: charted the moon's surface and discovered four comets. |
| 2. | a walled plain in the second quadrant of the face of the moon: about 100 mi. (160 km) in diameter. |