threefoilとは 意味・読み方・使い方

名詞

threefoil (複数形 threefoils)

1. Alternative form of trefoil
   • 1995, Carl G. Liungman, Thought Signs: The Semiotics of Symbols-- Western Non-pictorial Ideograms, IOS Press, →ISBN, page 363:

     The threefoil sign is an ancient symbol for holiness and divinity. See [image of a blob with three nodes] in Group 26. The threefoil cross [image of a cross trefly, i.e. whose ends terminate in blobs of three nodes] is also known as the cross of Lazarus[.] It was adopted in the Christian symbolism and given a Christian meaning. For the history of the concept of the Holy Trinity, look up [image of Borromean rings] in Group 25.

   • 2013 July 19, Susana Onega, Jeanette Winterson, Manchester University Press, →ISBN:

     Before mentioning Solomon's knot, the narrator had said that '[e]ven the simplest pedigree knot, the threefoil, with its three roughly symmetrical lobes, has mathematical as well as artistic beauty' (WB 87). The threefoil or Borromean knot, consisting of three interlaced rings, [...]