Definition of "doublet" [doub•let]

• A close-fitting jacket, with or without sleeves, worn by European men between the 15th and 17th centuries. (noun)
• A pair of similar or identical things. (noun)
• A member of such a pair. (noun)
• Physics A multiplet with two members. (noun)
• Linguistics One of two words derived from the same historical source by different routes of transmission, such as skirt from Scandinavian and shirt from English. (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.

• "Here Pons paused to hold up to scorn my new scarlet satin doublet — a wondrous thing of which I had been extravagant."
• "Oh, such a slight deflection, a matter of inches, just barely sufficient to send his point past me so that it pierced a fold of my satin doublet in passing."
• "After putting on his crimson satin doublet and his long robe, not forgetting his black silk coif, he took leave of his wife, who was still in bed, and assured her that every evening he would come and sup with her, but that she must not expect him at dinner."