Definitions
1.nounAny external case or sheath.
2.nounThe pollen-producing organ usually found in pairs and forming an anther.
3.nounThe twin layers of cells surrounding the basal lamina of an ovarian follicle.
4.nounThe membrane complex enveloping the cells of certain plankton including diatoms and dinoflagellates.
5.nounThe calcareous wall of a corallite, the exoskeleton of a coral polyp.
6.nounA case for the corporal cloth used in the Eucharist.