n. [ L. conceptaculum, fr. concipere to receive. See Conceive. ] 1. That in which anything is contained; a vessel; a receiver or receptacle. [ Obs. ] Woodward. [ 1913 Webster ]

2. (Bot.) (a) A pericarp, opening longitudinally on one side and having the seeds loose in it; a follicle; a double follicle or pair of follicles. (b) One of the cases containing the spores, etc., of flowerless plants, especially of algae. [ 1913 Webster ]