— treadler /tred"leuhr/ , n.
/tred"l/ , n. , v. , treadled, treadling .
n.
1. a lever or the like worked by continual action of the foot to impart motion to a machine.
2. a platform, as on a bus or trolleycar, for opening an exit door.
v.i.
3. to work a treadle.
[ bef. 1000; ME tredel stairstep, OE. See TREAD, -LE ]