[さんかくけい(P);さんかっけい, sankakukei (P); sankakkei] (n, adj-no) triangle; three-cornered polygon; (P) #12994
[たかく, takaku] (n, adj-no) many-sided; versatile; polygonal; diversified; (P) #18084
[かくけい;かっけい, kakukei ; kakkei] (n) (1) (N)-cornered polygon, incl. triangle; (2) (esp. かくけい) Japanese rectangular envelope (opening on the short dimension; numbered 0-8, A3, A4, each with different sizes) #18775
[タデか, tade ka] (n) Polygonaceae (plant family); knotweed family; smartweed family
[いぶきとらのお;イブキトラノオ, ibukitoranoo ; ibukitoranoo] (n) (uk) common bistort (species of flowering plant, Polygonum bistorta)
[おうたかくけい, outakakukei] (n) (See 凸多角形) concave polygon
[きたては;キタテハ, kitateha ; kitateha] (n) (uk) Asian comma butterfly (Polygonia c-aureum)
[かくちゅう;かくばしら, kakuchuu ; kakubashira] (n) (1) (かくちゅう only) prism; (2) polygonal (esp. square) pillar; (3) (かくばしら only) bamboo
[いたどり;イタドリ, itadori ; itadori] (n) (uk) Japanese knotweed (Fallopia japonica); Japanese fleeceflower; Mexican bamboo; Polygonum cuspidatum; Reynoutria japonica
[べにたで, benitade] (n) water pepper (Polygonum hydropiper forma purpurascens)
[はるとらのお, harutoranoo] (n) Polygonum tenuicaule (species of knotweed)
[みずひき, mizuhiki] (n) (1) decorative Japanese cord made from twisted paper; (2) Antenoron filiforme; Polygonum filiforme
[せいたかくけい, seitakakukei] (n) { math } regular polygon
[たかくけい;たかっけい, takakukei ; takakkei] (n) polygon
[たかっけいのへん, takakkeinohen] (n) side of a polygon
[たへんけい, tahenkei] (n) polygon
[おおけたで;オオケタデ, ooketade ; ooketade] (n) (uk) kiss-me-over-the-garden-gate (species of smartweed, Polygonum orientale); prince's feather
[にわやなぎ;ニワヤナギ, niwayanagi ; niwayanagi] (n) (uk) (See 道柳) knotgrass (Polygonum aviculare)
[みちやなぎ;ミチヤナギ, michiyanagi ; michiyanagi] (n) (uk) knotgrass (Polygonum aviculare)
[とつたかくけい, totsutakakukei] (n) (See 凹多角形) convex polygon
[なるこゆり;ナルコユリ, narukoyuri ; narukoyuri] (n) (uk) Solomon's seal; Polygonatum falcatum
[きのぼりとかげ;キノボリトカゲ, kinoboritokage ; kinoboritokage] (n) (uk) Ryukyu tree lizard (Japalura polygonata)