IPA: /ʌnˈloʊdə/
KK: /ʌnˈloʊdər/
A person or machine that removes cargo or goods from a vehicle or container.
The unloader worked quickly to empty the truck of its heavy boxes.
Unloader → It is formed from "un-" (meaning not or opposite of) and "loader" (from the verb "load", which comes from Old English "ladan", meaning to carry or bring). The word "unloader" refers to something or someone that does the opposite of loading, specifically removing a load.
Think of 'un-' meaning not or the opposite, and 'loader' as someone who carries a load. An unloader is someone who removes a load, doing the opposite of loading.