a laborer who loads and unloads vessels in a port
"The harbor master fired the loader after he refused to unload the cargo ship during the storm warning."
an attendant who loads guns for someone shooting game
"The hunter thanked his loader before stepping out into the field to hunt deer."
Agent noun of load; a person or device that loads.
"The loader on the construction site carefully dumped gravel onto the truck bed."
In plain English: A loader is something that moves materials into machines, often seen on construction sites.
"The loader moved the heavy rocks onto the truck with ease."
Usage: A loader refers to either the machine used to move materials into another container or an employee whose job is to perform this task, such as loading cargo onto trucks. Do not confuse it with "loader" in software contexts unless specifically discussing computer programs designed to load data files.
A surname.
"The Loader family has lived in that valley for three generations."
Loader is formed by adding the suffix -er to the verb load, creating a term that originally meant one who performs the action of loading. This straightforward construction has remained consistent since its first use in English.