calve

from The American Heritage® Dictionary of the English Language, 4th Edition

• intransitive v. To give birth to a calf.
• intransitive v. To break at an edge, so that a portion separates. Used of a glacier or iceberg.
• transitive v. To give birth to (a calf).
• transitive v. To set loose (a mass of ice). Used of a glacier or iceberg.

from Wiktionary, Creative Commons Attribution/Share-Alike License

• v. To give birth to a calf.
• v. To assist the giving of birth of a calf.
• v. To break off or shed a large piece.

from the GNU version of the Collaborative International Dictionary of English

• intransitive v. To bring forth a calf.
• intransitive v. To bring forth young; to produce offspring.
• intransitive v. To throw off fragments which become icebergs; -- said of a glacier.

from The Century Dictionary and Cyclopedia

• To bring forth a calf or calves: sometimes used contemptuously of human beings, and by Milton of the earth at the creation of cattle, etc.
• To become separated from or lose a portion of itself: said of a glacier when icebergs are broken off from it.
• To become detached and fall inward, as earth or rock from the walls of a cutting: with in. Now cave in.
• To give birth to, as a cow to a calf; bring forth.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• v. birth
• v. release ice