三

Mathematics

inverse trigonometric function; cyclometric function

Proverb

three women make a market

third degree burn

high-quality sugar imported from China

Music

minor third

Mahjong

thirteen orphans; winning hand containing one of each terminal and honor tile

Law

third party beneficiary contract

Law

third-party action against execution

Finance

private allocation (of new shares); third-party allocation

Mathematics

upper triangular matrix

Mathematics

lower triangular matrix

Music

diminished chord; diminished triad

Music

augmented chord; augmented triad

Hanafuda

three-of-a-kind (in a dealt hand) of the April, May, July, or December suit

six-three-three-four system of education (six years of elementary school, three years each of junior and senior high school and four years of university)

third force (e.g. in politics); third pole

Third Pole (i.e. the Hindu Kush Himalayan region)

Shogi

starting with only a king on the board and three pawns in hand (as a handicap when teaching a beginner)

dead of the night; midnight

Archaic; Orig. meaning

third quarter of the ox's hour (around 2-2:30am or 3-3:30am)

Company name

Okasan

Company name

Okasan Holdings

Organization name

The University of the Third Age (U3A)

Work of art, literature, music, etc. name

The Third Man (1949 film)

Proverb

a woman has no home of her own in this world (because she has to obey her parents when she is young, her husband when she gets married, and her children when she is old)

Go (game)

empty triangle; "L"-shaped formation of three stones (considered bad shape)