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track event
track light
track meet
track record
track rod
track shoe
trackage
trackball
trackbed
tracked
tracked vehicle
tracker
tracker dog
tracker fund
tracking
tracking poll
tracking radar
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trackbed
track·bed [ trák bèd ] (plural track·beds)


noun 
Definition:
 
bed of railroad track: the foundation, usually of hardened earth and stone or gravel ballast, on which a railroad track is laid
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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