shamrock
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sham·rock
(shăm′rŏk′)n.
1. A plant having compound leaves with three small leaflets, especially a clover or wood sorrel.
2. The compound leaf of one of these plants.
3. A representation of one of these plants or leaves, used as a national emblem of Ireland.
[Irish Gaelic seamróg, diminutive of seamar, clover, from Middle Irish semar; probably akin to Old Norse smári, clover, and of non-Indo-European substrate origin.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
shamrock
(ˈʃæmˌrɒk)n
(Plants) a plant having leaves divided into three leaflets, variously identified as the wood sorrel, red clover, white clover, and black medick: the national emblem of Ireland
[C16: from Irish Gaelic seamrōg, diminutive of seamar clover]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
sham•rock
(ˈʃæm rɒk)n.
any of several trifoliate plants, as the wood sorrel, Oxalis acetosella, or a small, pink-flowered clover, Trifolium repens minus, but esp. Trifolium procumbens, a small, yellow-flowered clover: the national emblem of Ireland.
[1565–75; < Irish seamróg]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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