Definition of "collie" [col•lie]

• A medium-to-large dog of a breed originating in Scotland as a sheepdog, having a long narrow muzzle and either a long thick straight coat or a short hard flat coat, depending on the variety. (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.

• "A woman bought a 5-month-old collie from a homeless person and surrendered it to society."
• "When Tait barked he started for a moment, but then came on steadily – a collie is rarely as formidable as an Irish terrier."
• "‘Cousin’, his grandmother’s border collie is a constant companion, whether Pete wants him to be or not."