the GNU version of the Collaborative International Dictionary of English
n. One who, or that which, unloads; a device for unloading, as hay from a wagon.
The Century Dictionary and Cyclopedia
n. One who or that which unloads; specifically, a contrivance for unloading, as hay.
Word Usage
"The participants, who also included a personal-injury lawyer, a retired postal worker, and a Dartmouth-educated truck-unloader for UPS, were given equal time to speak."