A plough of a type specially designed to cut through ice; specifically (in early use) one used in ice harvesting to cut grooves in the ice prior to the extraction of ice blocks.
Origin
Mid 19th century. From ice + plough.
Definition of ice plough in US English:
ice plough
(USice plow)
nounˈʌɪs plaʊ
A plough of a type specially designed to cut through ice; specifically (in early use) one used in ice harvesting to cut grooves in the ice prior to the extraction of ice blocks.