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.

 

© Webster 1913.


Tri*en"ni*al, n.

Something which takes place or appears once in three years.

 

© Webster 1913.

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