urcĕŏlus, i, m. dim. [urceus],
a little pitcher or water-pot , Col. 12, 16, 4; Juv. 3, 203; 10, 64; Mart. 14, 105 in lemm.
urceolus ī, m dim.urceus, a little pitcher, small water-pot : urceoli sex, Iu. ...
An Elementary Latin Dictionary
·noun Any urn-shaped organ of a plant. ...
Webster's Dictionary of the English Language