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A gallant or chivalrous man, especially one serving as escort to a woman of high social position; a gentleman.
(noun)
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A mounted soldier; a knight.
(noun)
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A supporter of Charles I of England in his struggles against Parliament. Also called Royalist.
(noun)
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Showing arrogant or offhand disregard; dismissive: a cavalier attitude toward the suffering of others.
(adjective)
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Carefree and nonchalant; jaunty.
(adjective)
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.