三

three types of relatives (e.g. father, children and grandchildren; parents, siblings, wife and children; etc.)

three-storied pagoda

Shinto, Buddhism and Confucianism; the three religions

Confucianism, Buddhism and Taoism

Buddhism, Shinto and Christianity

Company name

Mitsui Sumitomo; Sumitomo Mitsui

21st day after death; 21st day after birth

the three most important cities (esp. in ref. to Tokyo, Osaka, Nagoya)

threefold repetition of the "ipponjime" 3-3-3-1 hand-clapping pattern to celebrate a conclusion or completion

choppy sea; chopping waves

さんかくは only; Physics

triangle wave

trigonometry

Baseball

third-base line

three primary virtues: valour, wisdom and benevolence (valor)

Derogatory

hack writer; pulp-writer; penny-a-liner; scribbler

three autumn months; three fall months; three years

Anatomy

tricuspid valve

three-legged stool

pansy (Viola tricolor var. hortensis); garden pansy

wild pansy (Viola tricolor); heartsease

Derogatory

petty underling; small fry

set of three

Military

third mate; third officer

combined vaccination for diphtheria, pertussis (whooping cough) and tetanus

sweet bread with three different fillings

triumvirate

3 days and 3 nights

Baseball

third baseman