Bible Dictionaries
Pyxidium

Webster's Dictionary

(1):

(n.) The theca of mosses.

(2):

(n.) 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.

Bibliography Information
Webster, Noah. Entry for 'Pyxidium'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​p/pyxidium.html. 1828.