overstock[ō′vər stäk′; also, and for n.always, ō′vər stäk′]
overstock definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
to stock (a store, etc.) with more of (something) than can be readily used
too large a stock
overstock definition by American Heritage Dictionary
transitive verb o·ver·stocked, o·ver·stock·ing, o·ver·stocks
To stock more of (something) than necessary or desirable.noun
An excessive supply.