IPA: /ˈkoʊlər/
KK: /ˈkoʊlər/
A person or thing that carries or supplies coal, often referring to a ship or train designed for this purpose.
The coaler delivered a large shipment of coal to the power plant.
Coaler → The word 'coaler' is derived from 'coal' (from Old English 'cal', meaning a black mineral used as fuel) and the suffix '-er' (meaning a person who). A coaler is a person who works with or sells coal.
Think of someone who works with 'coal' — the '-er' just means a person. A coaler is someone who deals with coal.