(music) A keyboard musical instrument, resembling a spinet, or upright, piano in size and general shape, in which tone is generated by electronic circuits and radiated by loudspeaker.

(Internet) Acronym of Computational Infrastructure for Operations Research.

(games) A game where players take it in turn to perform a dare set by the other players, or truthfully answer a question put forth by them.

(games) The question asked during the truth or dare game, in which a player asks another player to choose between the two.

Alternative spelling of orangutan

(law) An archaic practice by which a person accused of a crime could prove his innocence by his survival of physically painful tests.

(intransitive, obsolete) To cut or thrust while fighting with a knife; to use a knife as a weapon.

(Ireland, colloquial) The Restrictive Practices (Groceries) Order 1987, a law that (until revoked in 2006) prohibited below-cost selling.

(business, management) A description of changes to be made to a work order that describes the new work to be done (and any modifications) and the price to be paid for this new work.

Approximately. / Almost.