legging

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

• noun A leg covering usually extending from the ankle to the knee and often made of material such as leather or canvas, worn especially by soldiers and workers.
• noun A tight-fitting, stretchable garment that covers the body from the waist to the ankle.
• noun Warm outerwear pants for children.

from The Century Dictionary.

• noun An outer and extra covering for the leg, usually for cold weather or rough traveling.

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

• noun A cover for the leg, like a long gaiter.
• a. & vb. n., from leg, v. t.

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

• noun A covering, usually of leather, worn from knee to ankle.
• noun Tight fitting leg coverings worn, for example, to gym.
• noun One of the legs of a pair of trousers.
• noun The process of putting a series of three or more options strikes into the stock market.
• verb Present participle of leg.

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

• noun a garment covering the leg (usually extending from the knee to the ankle)