Definition of "wool" []

• The dense, soft, often curly hair forming the coat of sheep and certain other mammals, such as the goat and alpaca, consisting of cylindrical fibers of keratin covered by minute overlapping scales and much valued as a textile fabric. (noun)
• A material or garment made of this hair. (noun)
• The furry hair of some insect larvae, such as the caterpillar. (noun)
• A filamentous or fibrous covering or substance suggestive of the texture of true wool. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "England as to run wool to France, our ladies, by making use of wool as part of their head-dresses [_lets down the tail and takes out the wool_], keep it at home, and encourage the woollen manufactory."
• "Especially as one of the shiny bits that was carded into the wool is a metallic yarn wrapped over a core of something else."
• "These people are coming in from all over the state, what we call the wool hat boys."