Noun
Designating a cumbersome style of plow used in England, esp. in Kent.
designating a kind of hillside plow.
Source: Webster's dictionaryOne set of ploughs was right-handed, and the other left-handed, allowing continuous ploughing along the field, as with the turnwrest and reversible ploughs. Source: Internet
Turnwrest plough The turnwrest plough allows ploughing to be done to either side. Source: Internet