Definitions for: Pyxidium

[n] fruit of such plants as the plantain; a capsule whose upper part falls off when the seeds are released

Webster (1913) Definition: Pyx*id"i*um, n.; pl. Pyxidia. [NL., fr. Gr. ?, dim.
a ? a box. See Pyx.] (Bot.)
(a) A pod which divides circularly into an upper and lower
half, of which the former acts as a kind of lid, as in
the pimpernel and purslane.
(b) The theca of mosses.

Synonyms: pyxis

See Also: fruit