noun Date: 1875 a ship equipped (as with a reinforced bow) to make and maintain a channel through ice, something that breaks the ice on a project or occasion
ICEBREAKER
Meaning of ICEBREAKER in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012