Conceptacle

Webster's Dictionary of the English Language

·noun That in which anything is contained; a vessel; a receiver or receptacle.

II. Conceptacle ·noun One of the cases containing the spores, ·etc., of flowerless plants, especially of algae.

III. Conceptacle ·noun A pericarp, opening longitudinally on one side and having the seeds loose in it; a follicle; a double follicle or pair of follicles.