(informal) A threefold blow or setback.

plural of triple-jumper

plural of triple star

Describing an experiment (usually medical) in which some information which might influence the experiment is withheld from three different parties until the outcome of the experiment is known: most commonly, the three parties are the subjects, the administrators, and the statisticians analysing the data.

(astronomy) Three stars which form a stellar system, such that they orbit the point of equilibrium of their gravitational fields; a trinary star.

plural of triple play

A poem whose stanzas, except the first three, are clues for words. The initial letters of these words, in order, form a word clued by the first stanza; the middle letters, the second stanza; and the final letters, the third stanza.

An action which is intended to be perceived as a double bluff, but which is in fact merely a bluff.

(computing) To push the button on a mouse three times in quick succession in order to perform different task that would be performed from a single-click or double-click.

(computing) The action of pushing the button on a mouse three times in quick succession in order to perform a different task that would be performed from a single-click or double-click.