crus crus crus can refer to: crus, a subgenus of the fly genus metopochetus crus (lower leg) crus, a plural of cru (wine) crus, an abbreviation of civil resettlement units rektorenkonferenz der schweizer universitäten (crus; english: rectors' conference of the swiss universities) crus (plural crura) can also refer to other anatomical structures that are leg-shaped: crura of antihelix crus of cerebrum crus of clitoris crus of diaphragm crus of fornix crus of heart crus of penis crura of the stapes crura of superficial inguinal ring a leg-like structure of the little skate, used for locomotion