the GNU version of the Collaborative International Dictionary of English
n. Any urn-shaped organ of a plant.
The Century Dictionary and Cyclopedia
n. A little pitcher or ewer.
n. In botany, any pitcher- or urn-shaped body.
n. In zoology, the external tubular casing or sheathing of a wheel-animalcule; the zoöthecium of a rotifer, corresponding to the lorica of an infusorian.