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costmary

[kost-mair-ee, kawst-]
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noun, plural cost·mar·ies.
  1. a composite plant, Chrysanthemum balsamita, that has silvery, fragrant leaves and is used in salads and as a flavoring.
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Origin of costmary

1325–75; Middle English costmarie, equivalent to cost (Old English cost costmary < Latin costum, costus a composite herb, Saussurea lappa < Greek kóstos) + Marie (the Virgin) Mary
Also called mint geranium.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for costmary

costmary

noun plural -maries
  1. a herbaceous plant, Chrysanthemum balsamita, native to Asia. Its fragrant leaves were used as a seasoning and to flavour ale: family Asteraceae (composites)Also called: alecost
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Word Origin

C15 costmarie, from Latin costum aromatic plant + Marie (the Virgin) Mary
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012