Tri*en"ni*al (?), a. [L. triennium the
space of three years; tri- (see Tri-) + annus year.
See Annual.] 1. Continuing three years; as,
triennial parliaments; a triennial reign.
Howell.
2. Happening, coming about, or appearing once in
every three years; as, triennial elections; a triennial
catalogue; a triennial visitation. T. Warton.
Tri*en"ni*al, n. Something which takes
place or appears once in three years.
Tri*en"ni*al (?), a. [L. triennium the
space of three years; tri- (see Tri-) + annus year.
See Annual.] 1. Continuing three years; as,
triennial parliaments; a triennial reign.
Howell.
2. Happening, coming about, or appearing once in
every three years; as, triennial elections; a triennial
catalogue; a triennial visitation. T. Warton.
Tri*en"ni*al, n. Something which takes
place or appears once in three years.