vēsīcŭla, ae, f. dim. [vesica],
a little blister , vesicle; containing air, Lucr. 6, 130; containing seeds, on plants, Cic. Div. 2, 14, 33.
vēsīcula ae, f dim.vesica, a seed-vessel . ...
An Elementary Latin Dictionary
·noun A <<Vesicle>>. ...
Webster's Dictionary of the English Language