noun a lever operated by the foot to control machinery, especially a sewing machine
In metalworking, a treadle may refer to a foot pedal used to control the operation of a power hammer or other metalworking machinery.
In woodworking, a treadle may refer to a foot-powered mechanism used to operate a lathe or other woodworking tools.
In sewing, a treadle is a foot-operated pedal used to control the movement of a sewing machine's needle and feed dogs.
In weaving, a treadle is a foot pedal used to lift and lower shafts in a loom to create different shed patterns.
In writing, 'treadle' may be used metaphorically to refer to the rhythmic or repetitive nature of a story or piece of writing.
Psychologists may use 'treadle' to describe certain patterns of behavior or thought that are repeated or cyclical in nature.
A fashion designer may use 'treadle' to refer to the foot-operated mechanism on a sewing machine that controls the stitching.
In carpentry, 'treadle' could refer to a foot-operated pedal used to control certain power tools or machinery.
Dancers may use 'treadle' to describe a specific step or movement pattern that involves stepping or tapping with the foot.