n. A ship designed to break through ice so that it, or other ships coming behind, can navigate on frozen seas.
n. A game, activity, humorous anecdote, etc., designed to relax a group of people to help them get to know each other.
the GNU version of the Collaborative International Dictionary of English
n. a ship with a reinforced bow and powerful engines designed to break up layers of ice on waterways and keep channels open for navigation.
n. A remark or action intended to relieve tension or reduce formality when initiating conversation or beginning a speech; it is often a humorous or light remark.
The Century Dictionary and Cyclopedia
n. A structure of masonry or timber (as a pier or row of piles) for the protection of bridge-piers or of vessels in dock from moving ice.
n. An ice-boat for breaking channels through ice in a river or harbor.
n. The bowhead, or great polar whale, Balæna mysticetus: a whalers’ name.
n. A hand- or power-machine for breaking ice into small fragments for various uses.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a ship with a reinforced bow to break up ice and keep channels open for navigation
n. a beginning that relaxes a tense or formal atmosphere
Word Usage
"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"