IPA: /ˈlʌmbərˌmæn/
KK: /ˈlʌmbərˌmæn/
A person who cuts down trees and processes them into wood for building or other uses.
The lumberman skillfully operated the chainsaw to fell the large tree.
Lumberman → It is formed from "lumber" (from Middle English *lumber*, meaning timber or logs) and "-man" (meaning a person who). A lumberman is a person who works with timber or logs.
Think of a person who works with 'timber' ('lumber') — that's what a lumberman does.