[ kuh-koon ]
/ kəˈkun /
the silky envelope spun by the larvae of many insects, as silkworms, serving as a covering while they are in the pupal stage.
any of various similar protective coverings in nature, as the silky case in which certain spiders enclose their eggs.
a protective covering, usually consisting of polyvinyl chloride, sprayed over machinery, large guns on board ships, etc., to provide an airtight seal and prevent rust during long periods of storage.
any encompassingly protective or hermetic wrapping or enclosure resembling a cocoon: a cocoon of gauze.
verb (used without object)
to produce a cocoon.
verb (used with object)
to wrap or enclose tightly, as if in a cocoon: The doctor cocooned the patient in blankets.
to provide (machinery, guns, etc.) with a protective, airtight covering by spraying with polyvinyl chloride or the like.
to envelop or surround protectively; insulate: a political leader cocooned by his staff and his bodyguards.
Words nearby cocoon
Origin of cocoon
1690–1700; < French cocon < Provençal coucoun egg-shell, equivalent to coco shell (< Latin coccum; see cochineal) + French -on diminutive suffix
OTHER WORDS FROM cocoonco·coon·like, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for cocoon
/ (kəˈkuːn) /
- a silky protective envelope secreted by silkworms and certain other insect larvae, in which the pupae develop
- a similar covering for the eggs of the spider, earthworm, etc
a protective spray covering used as a seal on machinery
a cosy warm covering
(tr) to wrap in a cocoon
Word Origin for cocoon
C17: from French cocon, from Provençal coucoun eggshell, from coco shell, from Latin coccum kermes berry, from Greek kokkos grain, seed, berry; compare coccus
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
Science definitions for cocoon
[ kə-kōōn′ ]
A case or covering of silky strands spun by an insect larva and inhabited for protection during its pupal stage.
A similar protective structure, such as the egg cases made by spiders or earthworms.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.