Pronunciation: (boi'ling), [key]
1. having reached the boiling point; steaming or bubbling up under the action of heat: boiling water.
2. fiercely churning or swirling: the boiling seas.
3. (of anger, rage, etc.) intense; fierce; heated.
to an extreme extent; very: August is usually boiling hot; boiling mad.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.