1. One who believes in the doctrine of the Trinity.
2. (Eccl. Hist.)
Defn: One of a monastic order founded in Rome in 1198 by St. John of Matha, and an old French hermit, Felix of Valois, for the purpose of redeeming Christian captives from the Mohammedans.
TRINITARIANISM
Trin`i*ta"ri*an*ism, n.
Defn: The doctrine of the Trinity; the doctrine that there are three distinct persons in the Godhead.
TRINITROCELLULOSE
Tri*ni`tro*cel"lu*lose", n.
Defn: Gun cotton; — so called because regarded as containing three nitro groups.
TRINITROPHENOL
Tri*ni`tro*phe"nol, n. (Chem.)
Defn: Picric acid.
TRINITY Trin"i*ty, n. Etym: [OE. trinitee, F. trinité, L. trinitas, fr. trini three each. See Trinal.]