n. [ See Perichaetium. ] (Bot.) The leafy involucre surrounding the fruit stalk of mosses; perichaetium; perichete. [ 1913 Webster ]

a. (Bot.) Of or pertaining to the perichæth. [ 1913 Webster ]

‖n.; pl. Perichaetia [ NL., fr. Gr. about + &unr_; flowing hair, foliage. ] (Bot.) Same as Perichæth. [ 1913 Webster ]

a. [ See Perichætium. ] (Zool.) Surrounded by setæ; -- said of certain earthworms (genus Perichætus). [ 1913 Webster ]

n. Same as Perichæth. [ 1913 Webster ]

a. (Anat.) Of or pertaining to the perichondrium; situated around cartilage. [ 1913 Webster ]

‖n. [ NL. See Perichondrium, and -itis. ] (Med.) Inflammation of the perichondrium. [ 1913 Webster ]

‖n. [ NL., fr. Gr. peri` around + cho`ndros cartilage. ] (Anat.) The membrane of fibrous connective tissue which closely invests cartilage, except where covering articular surfaces. [ 1913 Webster ]

a. Around the notochord; as, a perichordal column. See Epichordal. [ 1913 Webster ]