Share this entry
trigonous Line breaks: trig|on¦ous
Pronunciation: /ˈtrɪɡənəs/

Definition of trigonous in English:


chiefly Botany
Triangular in cross section: the seeds are trigonous
More example sentences
  • Seeds are extremely small, being less than 1 mm in size, with a wide variety of shapes (ellipsoid, oblongoid, ovoid, globose, trigonous or tetragonous).
  • Hermaphrodite flowers; ovary 3-3.5 cm. long, 1-1.5 cm. wide, rather acutely trigonous or 4-sided according to position.
  • One is African and supported by trigonous ovary in transverse section.


Early 19th century: from Greek trigōnos (see trigon).

Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources