triennial

IPA(Pronunciation)

A third anniversary. / A plant that requires three years to complete its life-cycle.

Japanese Meaning

三周年記念 / 三年で一生を完了する植物

We celebrated our triennial with a small family gathering and a slideshow of memories.

私たちは三周年を小さな家族の集まりと思い出のスライドショーで祝いました。

Sense（1）

A third anniversary.

Sense（2）

A plant that requires three years to complete its life-cycle.

triennials

（ plural ）