(of a numerical amount, chiefly annual income) Counted in the hundreds of thousands; 100,000 to 999,999.

(rail transport, colloquial) the area between the closest rails of two parallel standard gauge railway lines, regardless of the actual distance.

(colloquial, dated) A revolver which holds six cartridges.

(dated) A revolver with a cylinder that holds six bullets.

plural of six-gun

plural of six-pack

A collection of six of something bundled together, especially six cans. / (bodybuilding) A highly developed set of abdominal muscles.

simple past tense and past participle of deep-six

(idiomatic) In a state of confusion. / (idiomatic, of people or groups) In a state of dispute or disagreement.

In Mahayana Buddhism, the six virtues which the bodhisattva must practice in their avowed pursuit of bringing all beings to enlightenment through bodhicitta; they are dana (munificence), sila (ethicality), ksanti (patience), virya (determination), dhyana (meditation), and prajna (wisdom).