Main Entry: ves·i·cle

Pronunciation: \ˈve-si-kəl\

Function: noun

Etymology: Middle French vesicule, from Latin vesicula small bladder, blister, from diminutive of vesica

Date: 1578

1 a : a membranous and usually fluid-filled pouch (as a cyst, vacuole, or cell) in a plant or animal b : a small abnormal elevation of the outer layer of skin enclosing a watery liquid : blister c : a pocket of embryonic tissue that is the beginning of an organ
2 : a small cavity in a mineral or rock