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4 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 peri·stome /ˈpɛrəˌstom/
 齒毛,口緣,開口部

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 peri·stome /ˈpɛrəˌstom/ 名詞
 圍口部

From: Webster's Revised Unabridged Dictionary (1913)

 Per·i·stome n.
 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.
 2. Zool. (a) The lip, or edge of the aperture, of a spiral shell. (b) The membrane surrounding the mouth of an invertebrate animal.
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From: WordNet (r) 2.0

 peristome
      n 1: (botany) fringe of toothlike appendages surrounding the
           mouth of a moss capsule
      2: region around the mouth in various invertebrates