flaxLinum usitatissimumflax (fl?ks)n.1. a. A widely cultivated plant, Linum usitatissimum, having pale blue flowers, seeds that yield linseed oil, and slender stems from which a textile fiber is obtained.b. The fine, light-colored textile fiber obtained from this plant.c. Any of various other plants of the genus Linum or of other genera in the family Linaceae.2. A pale grayish yellow.[Middle English, from Old English fleax; see plek- in Indo-European roots.]flax?y adj.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.flax (flæks) n1. (Plants) any herbaceous plant or shrub of the genus Linum, esp L. usitatissimum, which has blue flowers and is cultivated for its seeds (flaxseed) and for the fibres of its stems: family Linaceae2. (Plants) the fibre of this plant, made into thread and woven into linen fabrics3. (Plants) any of various similar plants4. (Plants) Also called: harakeke NZ a swamp plant producing a fibre that is used by M?oris for decorative work, baskets, etc[Old English fleax; related to Old Frisian flax, Old High German flahs flax, Greek plekein to plait]Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014flax (flæks) n. 1. any plant of the genus Linum, family Linaceae, esp. L. usitatissimum, a slender annual with blue flowers that is cultivated for its fiber, used for making linen yarn, and for its seeds, which yield linseed oil. 2. the fiber of this plant. 3. any of various plants resembling flax. [before 900; Middle English; Old English fleax] flax?y, adj. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.