Cru or CRU may refer to:
The Crusades were a series of religious wars sanctioned by the Latin Church in the medieval period, especially the campaigns in the Eastern Mediterranean with the aim of capturing Jerusalem and the Holy Land from Islamic rule, to recapture Christian territory and defend Christian pilgrims.
Crucifixion is a historical method of capital punishment in which the victim is tied or nailed to a large wooden beam and left to hang for several days until eventual death from exhaustion and asphyxiation.
The crucifixion of Jesus occurred in 1st century Judea, most probably between the years 30 and 33 AD. Jesus' crucifixion is described in the four canonical gospels, referred to in the New Testament epistles, attested to by other ancient sources, and is established as a historical event confirmed by non-Christian sources, although, among historians, there is no consensus on the precise details of what exactly occurred.
A cruiser is a type of warship. The term has been in use for several hundred years, and has had different meanings throughout this period.
Cruelty to animals, also called animal helping or animal neglect, is the intentional infliction by humans of suffering or harm upon any non-human animal, regardless of whether the act is against the law.
Cruzeiro Esporte Clube (Brazilian Portuguese: [kɾuˈzejɾu esˈpoɾtʃi ˈklubi]), commonly known as Cruzeiro and nicknamed Raposa (English: Fox), is a Brazilian multisport club based in Barro Preto, Belo Horizonte.
Cruz Azul Fútbol Club, A.C, simply called Cruz Azul (pronounced: [kɾus aˈsul], "Blue Cross"), is a Mexican football league system football club based in Mexico City, which was originally based in the town of Jasso (now part of the "city cooperative" Ciudad Cooperativa Cruz Azul), south of Tula de Allende in the state of Hidalgo, Mexico.
Crustaceans (Crustacea /krʌˈsteɪʃə/) form a large, diverse arthropod taxon which includes such familiar animals as crabs, lobsters, crayfish, shrimp, krill, woodlice and barnacles.
Crux /ˈkrʌks/ is a constellation located in the southern sky in a bright portion of the Milky Way. It is among the most easily distinguished constellations, as none of its four main stars has an apparent visual magnitude fainter than +2.8, even though it is the smallest of all 88 modern constellations.