Definition of vesicle:

part of speech: noun

A little bladder; small blister.

part of speech: noun

A small globular or bladder- like air space in the tissues; a small cavity or sac usually containing fluid; a hollow prominence on a shell or coral; one of the three primary cavities of the brain.

part of speech: noun


part of speech: noun

A small vessel, or sac, in the body, containing fluid; a blister; a cyst.

part of speech: noun

A small bladder or blister: a small cavity in an animal body: ( bot.) a bladder- like cell.

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Formal; sanctioned by custom or tradition; based on accepted rules; in art, following fixed rules in design, technique, etc. ...