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单词 cocoon
释义

WordReference Random House Learner's Dictionary of American English © 2024
co•coon /kəˈkun/USA pronunciation   n. [countable]
  1. Insectsthe silky envelope spun by caterpillars, serving as a protective covering while they are developing.
  2. anything that encloses like a cocoon:A cocoon of blankets, sheets, and pillows kept her warm.

WordReference Random House Unabridged Dictionary of American English © 2024
co•coon  (kə ko̅o̅n),USA pronunciation n. 
  1. Insectsthe silky envelope spun by the larvae of many insects, as silkworms, serving as a covering while they are in the pupal stage.
  2. Insectsany of various similar protective coverings in nature, as the silky case in which certain spiders enclose their eggs.
  3. 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.
  4. any encompassingly protective or hermetic wrapping or enclosure resembling a cocoon:a cocoon of gauze.

v.i. 
  1. to produce a cocoon.

v.t. 
  1. to wrap or enclose tightly, as if in a cocoon:The doctor cocooned the patient in blankets.
  2. to provide (machinery, guns, etc.) with a protective, airtight covering by spraying with polyvinyl chloride or the like.
  3. to envelop or surround protectively;
    insulate:a political leader cocooned by his staff and his bodyguards.
  • Latin coccum; see cochineal) + French -on diminutive suffix
  • Provencal coucoun egg-shell, equivalent. to coco shell (
  • French cocon
  • 1690–1700
co•coonlike′, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
cocoon /kəˈkuːn/ n
  1. a silky protective envelope secreted by silkworms and certain other insect larvae, in which the pupae develop
  2. a protective spray covering used as a seal on machinery
  3. a cosy warm covering
vb
  1. (transitive) to wrap in a cocoon
Etymology: 17th Century: from French cocon, from Provençal coucoun eggshell, from coco shell, from Latin coccum kermes berry, from Greek kokkos grain, seed, berry; compare coccus
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