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box girder
box in
box jellyfish
box junction
box kite
box lacrosse
box lunch
box lyre
box number
box office
box on
box-on
box pleat
box score
box seat
box set
box social
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box number
box num·ber (plural box num·bers)


noun 
Definition:
 
number for anonymous address: the number assigned to an anonymous address for mail, either at a post office or as a reference for a reply to a newspaper advertisement
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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