What is "yarder"

n. 1 (context forestry English) A motor-driven logging machine which transports logs by means of a system of cables and winches. 2 (context in combination English) Something that is a stated number of yards in some dimension - such as a ten-yarder.

n. (used only in combinations) the height of length of something in yards; "the golfer hit a 300-yarder to the green"

A yarder is piece of logging equipment which uses a system of cables to pull or fly logs from the stump to the landing. It generally consists of an engine, drums, and spar, but has a range of configurations and variations such as the Swing yarder.