TRIGONUM
Meaning of TRIGONUM in English
/truy goh"neuhm/ , n. , pl. trigona /-neuh/ . Anat.
trigone.
[ 1720-30; trigonum triangle. See TRIGON ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012