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cruciferous

[kroo-sif-er-uh s]
adjective
  1. bearing a cross.
  2. Botany. belonging to the Cruciferae, the mustard family of plants.
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Origin of cruciferous

1650–60; < Late Latin crucifer crucifer; see -ous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for cruciferous

cruciferous

adjective
  1. of, relating to, or belonging to the plant family CruciferaeSee crucifer (def. 1)
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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

Word Origin and History for cruciferous

adj.

1650s, from Late Latin crucifer "cross-bearing," from Latin crux (genitive crucis) "stake, cross" (see cross (n.)). Originally in literal senses; botanical use (in reference to a symmetrical arrangement of four petals) is from 1851.

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Online Etymology Dictionary, © 2010 Douglas Harper