threshing sledge
now chiefly historical
noun
A sledge-like wooden implement having a flat surface set with small pieces of iron or sharp stone, used (especially in North Africa and the Middle East) for crushing and separating grain.
Origin
Late 18th century; earliest use found in John Parkhurst (1728–1797), biblical lexicographer.
- photo opportunity
- photoorganotroph
- photoorganotrophic
- photoorganotrophy
- photo-oxidation
- photo-oxidative
- photo-oxidise
- photo-oxidizable
- photo-oxidize
- photo-pass
- photopathy
- photopeak
- photoperiod
- photoperiodic
- photoperiodically
- photoperiodism
- photopheresis
- photophil
- photophile
- photophilic
- photophilous
- photophily
- photophob
- photophobe
- photophobia