Home › Words › P › phragmaphragmaphragma · noun — A septum, especially on the wall of the thorax of an insect.Definition from Wiktionary (CC BY-SA 3.0).Among words judged in Lexicurio's Arena, phragma ranks #26,420 of 42,854 for Qualifying.EtymologyBorrowed from Ancient Greek φράγμα (phrágma).nounA septum, especially on the wall of the thorax of an insect.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.prophragma 70% match — An internal dorsal chitinous process between the first two divisions of the thorax of insects. vs phragma →metaphragma 70% match — The hindmost phragma of the thorax in an insect vs phragma →phragmosomal 67% match — Of or relating to a phragmosome. vs phragma →phragmosis 62% match — Positioning behind a barrier (or down a hole, etc.) as a means of defense. vs phragma →postnotum 62% match — The sclerite, posterior to a notum, that bears the phragma vs phragma →endophragma 61% match — A chitinous structure above the nerve cord in the thorax of certain crustaceans. vs phragma →paraphragm 61% match — A kind of lateral diaphragm in crustaceans. vs phragma →phragmosporous 60% match — Relating to, or containing phragmospores vs phragma →