A machine dragged over a bumpy road to loosen the surface in preparation for smoothing.

plural of road harrow

(fishing) A fishing line that is not wound on a reel.

plural of rod machine

plural of rod line

A woodworking machine for cutting cylindrical sticks such as broom handles.

A plant, a small kind of teasel.

(humorous) A game in which a person sits or stands on a machine for buffing floors and tries to stay on top of it for as long as possible while it is activated.

(rail transport) A rod that couples the driving wheels of a locomotive, a steam locomotive in particular, so that the driving wheels act together as a unit.

The situation in which an automated system, typically a driverless car, experiences something that it has not been programmed to expect, and either does nothing or just stops.