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planetary

[ plan-i-ter-ee ]
/ ˈplæn ɪˌtɛr i /
SEE SYNONYMS FOR planetary ON THESAURUS.COM

adjective

of, relating to, or resembling a planet or the planets.
wandering; erratic.
terrestrial; global.
Machinery. noting or pertaining to an epicyclic gear train in which a sun gear is linked to one or more planet gears also engaging with an encircling ring gear.

noun

Machinery. a planetary gear train.

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Origin of planetary

From the Latin word planētārius, dating back to 1585–95. See planet, -ary

OTHER WORDS FROM planetary

non·plan·e·tar·y, adjective

Words nearby planetary

plane suture, planet, plane table, planetarian, planetarium, planetary, planetary nebula, planetary precession, planetesimal, planetesimal hypothesis, planet gear
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Words related to planetary

terrestrial, global, earthly, erratic, nomadic, universal, wandering, worldly

Example sentences from the Web for planetary

British Dictionary definitions for planetary

planetary
/ (ˈplænɪtərɪ, -trɪ) /

adjective

noun plural -taries

a train of planetary gears
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012