Search Result for "aristarchus of samos":
Wordnet 3.0

NOUN (1)

1. an ancient Greek astronomer who was one of the first to propose a heliocentric theory of the universe (circa 270 BC); 



WordNet (r) 3.0 (2006):

Aristarchus of Samos
    n 1: an ancient Greek astronomer who was one of the first to
         propose a heliocentric theory of the universe (circa 270
         BC)