/ Dictionary / Index H Hevelius: Meaning and Definition of Find definitions for: He•ve•li•us Pronunciation: (hu-vā'lē-us Ger. hā-vā'lē-&oobreves&sec), [key] 1611–87, Polish astronomer: charted the moon's surface and discovered four comets. a walled plain in the second quadrant of the face of the moon: about 100 mi. (160 km) in diameter. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Hevelian halo Hevesy Related Content Daily Word Quiz: sublime Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language