ice master
/ˈʌɪs ˌmɑːstə/ /ˈʌɪs ˌmastə/noun
1A naval officer or pilot who has special experience in navigating vessels in icy waterways. Now chiefly historical.
- Formerly (with capital initials): the title of a naval officer with these duties, ranking below Lieutenant..
2A person responsible for maintaining the ice at a skating rink or similar location.
Origin
Early 19th century; earliest use found in The Literary Gazette. From ice + master.