three years; the third year / (education) the third school year / (figuratively) a long period of time, several years

three years; triennial / three years old

three years of age, three years old

If one learns without thinking, one will be lost in his learning. That is, if one does not think about what one learns, he will not arrive at the truth of it.

a right-angled triangle

(phonetics) in Sanskrit phonology, a consonant produced using one of the three places of articulation: dorsal (/k, g, ŋ/), coronal (/t, d, n/), or labial (/p, b, m/)

a male given name

a male given name

the Triple Intervention of 1895

The Japanese festival for children; a traditional rite of passage and festival day in Japan for three- and seven-year-old girls and three- and five-year-old boys, held annually on November 15. As Shichigosan is not a national holiday, it is generally observed on the nearest weekend. Similar to こどもの日 (Kodomo no Hi, literally “Children's Day”)