Definition of vesicle noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//ˈvesɪkl//
    ; NAmE NAmE//ˈvesɪkl//
    Cell biology
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  1. 1(biology) a small bag or hollow structure in the body of a plant or an animal See related entries: Cell biology
  2. 2(medical) a small swelling filled with liquid under the skin synonym blister
  3. Word Originlate 16th cent.: from French vésicule or Latin vesicula, diminutive of vesica ‘bladder’.
See the Oxford Advanced American Dictionary entry: vesicle