ice skate

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun A shoe or light boot with a metal runner or blade fitted to the sole, used for skating on ice.

from the GNU version of the Collaborative International Dictionary of English.

• noun A shoe with a metal runner (called a blade) attached to permit the wearer to glide on ice.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun a light boot, fitted with a blade, used for skating on ice

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

• verb move along on ice skates
• noun skate consisting of a boot with a steel blade fitted to the sole