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plane sailing
plane table
plane tree
planeload
planer
planer tree
planet
planet wheel
planetar
planetarium
planetary
planetary gear
planetary nebula
planetesimal
planetoid
planetology
planetwide
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planetar
plan·e·tar [ plánnə tr ] (plural plan·e·tars)


noun 
Definition:
 
hypothetical young astronomical object: a hypothetical young astronomical object of planetary mass that might have formed in the same way as a star
Encarta® World English Dictionary [North American Edition] © & (P)2007 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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