PERISTOME
peristome
(noun) region around the mouth in various invertebrates
peristome
(noun) (botany) fringe of toothlike appendages surrounding the mouth of a moss capsule
Source: WordNet® 3.1
Etymology
Noun
peristome (plural peristomes)
(botany) One or two rings of tooth-like appendages surrounding the opening of the capsule of many mosses.
(zoology) The parts of or surrounding the mouths of numerous invertebrates.
The lip, or edge of the aperture, of a spiral shell.
Anagrams
• importees, prosemite, temporise
Source: Wiktionary
Per"i*stome, n. Etym: [Pref. peri- + Gr.
1. (Bot.)
Definition: 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.
2. (Zoöl.)
(a) The lip, or edge of the aperture, of a spiral shell.
(b) The membrane surrounding the mouth of an invertebrate animal.
Source: Webster’s Unabridged Dictionary 1913 Edition