trigone

From French trigone,^[1] from Latin trigōnum, from Ancient Greek τρῐ́γωνον (trĭ́gōnon). Doublet of trigon and trigonon.

• (UK) IPA^(key): /trɪˈɡəʊn/, /ˈtrʌɪɡəʊn/

trigone (plural trigones)

1. (botany) One of the thickenings of the cell wall at the angles where several cells join.
   • 1992, Marie L. Hicks, Guide to the Liverworts of North Carolina, page 66:

     Leaf cells are about 25–30 μm, with thin walls and bulging trigones.

   • 1992, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, Chicago, Ill.: Field Museum of Natural History, →ISBN, pages 4-5:

     The epidermal cells of the capsule wall of Jubulopsis, with nodose "trigones" at the angles, are very reminiscent of what one finds in Frullania spp.

2. (anatomy) A smooth triangular area on the inner surface of the bladder, bounded by the apertures of the ureters and urethra; a similar region of a mitral valve

• trigonal

• Negrito, ergotin, genitor, negrito, toe ring, toering

• IPA^(key): /ˈtri.ɡo.ne/
• Rhymes: -iɡone
• Hyphenation: trì‧go‧ne

trigone m (plural trigoni)

1. stingray

trigone

1. feminine plural of trigono

• integro, integrò, negrito, ritegno, ritengo, tingerò

• (Classical Latin) IPA^(key): [trɪˈɡoː.nɛ]
• (modern Italianate Ecclesiastical) IPA^(key): [t̪riˈɡɔː.ne]

trigōne

1. vocative masculine singular of trigōnus