Definition of ice plough in US English:

ice plough

(US ice plow)

noun

  • 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.

Pronunciation

ice plough

/ˈʌɪs plaʊ/