Vesicle
/ˈvɛsɪkəl/noun
A small sac, cavity, or blister, especially one containing fluid.
Did you know?In sacred geometry, the overlapping-circle shape called the vesica piscis—“fish bladder”—became a powerful symbol in Christian and mystical art.
Etymological Timeline
Classical Latin
Latin
vesica
“Bladder, pouch, or air-filled sac”
Late Latin
Latin
vesicula
“Small bladder or little sac; the diminutive form of vesica”
Medieval Latin
Latin
vesicula
“A small anatomical sac or bladder”
14th–15th Century
Middle English
vesicle
“A small bladder-like cavity or blister”
Modern English
English
vesicle
“A small fluid-filled sac or cavity in anatomy, biology, or medicine”