(cricket) A four scored by hitting the ball past the boundary (rather than an all-run four)

plural of boundary four

A hamlet in Wycombe district, Buckinghamshire, England (OS grid ref SU8795). / A village in South Staffordshire district, Staffordshire, England (OS grid ref SJ9108).

(rail transport) Having four running lines, usually two in each direction.

(physics) The analogy of electric current density in four-dimensional spacetime

(rail transport) Provision of four running lines on a stretch of railway track, usually two in each direction.

Used other than figuratively or idiomatically: see four-letter: containing four letters. / Consisting of or characterised by swear words and profanity.

plural of four-ball

A hamlet in Hatherton parish, South Staffordshire district, Staffordshire, England (OS grid ref SJ9509).

A village in Beckley parish, Rother district, East Sussex, England (OS grid ref TQ8624). / A hamlet in Forest of Dean district, Gloucestershire, England (OS grid ref SO6928).