noun, plural la·dy's-tress·es. (used with a singular or plural verb)
any orchid of the genus Spiranthes, having spikes of small flowers.
Origin of lady's-tresses
First recorded in 1540–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
(functioning as singular or plural) any of various orchids of the genera Spiranthes or Goodyera, having spikes of small white fragrant flowers
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