Tri‐um″phal (?), a. [L. triumphalis: cf. F. triomphal.] Of or pertaining to triumph; used in a triumph; indicating, or in honor of, a triumph or victory; as, a triumphal crown; a triumphal arch.
Messiah his triumphal chariot turned. Milton.
Webster's Dictionary 1913
Tri‐um″phal (?), a. [L. triumphalis: cf. F. triomphal.] Of or pertaining to triumph; used in a triumph; indicating, or in honor of, a triumph or victory; as, a triumphal crown; a triumphal arch.
Messiah his triumphal chariot turned. Milton.