Definition of mill-doll in US English:

mill-doll

verb

Whaling
historical
  • no object To force a passage through ice by means of a ram.

Origin

Early 19th century; earliest use found in William Scoresby (1789–1857), Arctic scientist and Church of England clergyman. From to mill doll.

Pronunciation

mill-doll

/ˈmɪldɒl/