the second largest planet of the solar
system and the sixth in distance from the sun: it has a thin, icy
ring system around its equator
: diameter, c.
120,540 km (c.
); period of revolution, 29.46 earth years; period of rotation, 10.66 hours; 60 satellites;
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'Saturn'ME Saturne < OE < L Saturnus < Etr; (sense 3) ML use of L Saturnus