(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

(weaponry) an intercontinental ballistic missile

(weaponry) Synonym of 大陸間弾道ミサイル (tairikukan dandō misairu, “intercontinental ballistic missile”)

(anatomy) an intertransversarius muscle

a tridecagon

(mahjong) little three dragons: a 役 (yaku, “hand”) with triplets or quads of two of the 三元牌 (sangenpai, “dragon tiles”), plus a pair of the third; worth 2 翻 (han, “doubles”). Because 2 翻 is added from the 役牌 (yakuhai, “meld of seat/prevailing wind or dragon”) of the two dragons, the total is actually 4 翻.

(mahjong) Generic name of the three dragon tiles: 白 (haku, “white dragon”), 發/𤼵 (hatsu, “green dragon”), and 中 (chun, “red dragon”)

(mahjong) big three dragons: a 役満 (yakuman, “limit”) hand with triplets or quads of each of the 三元牌 (sangenpai, “dragon tiles”)

“third-category beer”, a beer-like alcoholic beverage that is not classified as either beer or happōshu in the Japanese tax code