a grey powder (made by burning lime and clay) which, after being wetted, becomes hard like stone and is used for building etc

gluing, binding material

a kind of machine that reaps and threshes grain

harvester

stringed musical instrument (14th to 17th centuries) associated with poets and poetry

gluing, binding material

a lever on a bicycle, sewing machine etc worked by the foot or feet

machine

(to use) a pedal or lever that drives a machine (e.g. a sewing-machine) worked by pressure of the foot or feet

machine