Found 2 items, similar to peristome.
English → English (WordNet) Definition: peristome peristome n 1: (botany) fringe of toothlike appendages surrounding the mouth of a moss capsule 2: region around the mouth in various invertebrates
English → English (gcide) Definition: Peristome Peristome \Per"i*stome\, n. [Pref. peri- + Gr. ?, ?, mouth.] 1. (Bot.) The fringe of teeth around the orifice of the capsule of mosses. It consists of 4, 8, 16, 32, or 64 teeth, and may be either single or double. [1913 Webster] 2. (Zo["o]l.) (a) The lip, or edge of the aperture, of a spiral shell. (b) The membrane surrounding the mouth of an invertebrate animal. [1913 Webster]