Dictionary.net

• truck whose contents can be emptied without handling; the front end of the platform can be pneumatically raised so that the load is discharged by gravity

2006 - WordNet 3.0
By Princeton University

• truck whose contents can be emptied without handling; the front end of the platform can be pneumatically raised so that the load is discharged by gravity

2011 - English Dictionary Database
By DataStellar Co., Ltd