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[awr-ki-dey-shuh s] /ˌɔr kɪˈdeɪ ʃəs/
belonging to the plant family Orchidaceae.
Compare orchid family.
Origin of orchidaceous
1830-40; < New Latin Orchidace(ae) (see orchid, -aceae) + -ous Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for orchidaceous
Historical Examples
  • The dark, damp wilderness is favorable to some of these orchidaceous plants, though they are too delicate for cultivation.

    The Maine Woods

    Henry David Thoreau
  • Many of our orchidaceous plants absolutely require the visits of moths to remove their pollen-masses and thus to fertilise them.

  • Monsieur St. Leger, nettled, sent some dried flowers for a testimony; but the mind of the orchidaceous public was made up.

    About Orchids Frederick Boyle
  • The tree trunks and branches were rich in symbiotic life, with ferns, lianas, and orchidaceous plants of many species.

  • Here and there the bright flowers of some orchidaceous plant ornamented their summits, or hung down from their boughs.

    In the Eastern Seas W.H.G. Kingston
British Dictionary definitions for orchidaceous


of, relating to, or belonging to the Orchidaceae, a family of flowering plants including the orchids
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
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