Merriam-Webster Collegiate Dictionary - stevedore

 I. noun  Etymology: Spanish estibador, from estibar to pack — more at steeve  Date: 1788 one who works at or is responsible for loading and unloading ships in port  II. verb  (-dored; -doring)  Date: 1862  transitive verb to handle (cargo) as a ~; also to load or unload the cargo of (a ship) in port  intransitive verb to work as a ~