American Heritage Dictionary
(4)
Century Dictionary
GNU Webster's 1913
(1)
WordNet
(2)
Elsewhere on the web
Featuring all available itineraries aboard the icebreaker, Polar Star.— billingsgazette.com
At least one more detachment -- including four destroyers, two "hydrographic vessels" (a cover name for intelligence ships) and even one "icebreaker" -- went through the Turkish straits on May 31— Sultan Knish
It was a fun icebreaker, and set the mood appropriately that we are really just struggling to find an answer.— Archinect.com Feed
As an icebreaker (somehow I managed to fit this into my presentation) I started off by asking them, "Who knows about how many galaxies there are in the universe?"— HinesSight
Perhaps it's hatred's heat that serves as an icebreaker, but whatever the reason the Heels played arguably their finest half of the season in Durham three weeks ago.— Independent Weekly: All Recent Stories

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