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1. A fine film of cobwebs that is often seen floating in the air or is caught on bushes or grass.
2. Something that is light, delicate, or sheer, such as fabric.
Sheer, light, or delicate: "An iron bedstead swathed in gossamer muslin stands out from all walls, adrift as a cloud" (Margo Miller). See Synonyms at airy.
[Middle English gossomer : gos, goose; see goose + somer, summer (probably from the abundance of gossamer during early autumn when geese migrate and are often hunted ); see summer1.]
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.
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The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.