vocal trio

a trilobite

(historical) the "three talents": sky (天), earth (地) and people (人) (one who knows all three well would be an all-rounded person) / (figuratively) everything in the universe; all of creation

a surname

(traditional Chinese medicine) triple burner

Kyūjitai form of 三蔵 (“Tripitaka”)

triangular pyramid, tetrahedron

(historical) Samhan

Miyoshi (a city in Hiroshima Prefecture, Japan)

(Buddhism) the "three lives", namely 前世 (zense, “previous life”), 現世 (gense, “current life”) and 来世 (raise)/後世 (gose, “next life”) / three generations, as in parents, children and grandchildren