crus noun. [krʌs] Pl. crura ['krʊǝrǝ]. E18.
[Latin: see CRURAL.]
1. Anatomy. The leg or hind limb; spec. the part from the knee to the ankle, the shank. E18.
2. Any of various elongated processes or parts of a structure occurring in pairs; esp. (in full crus cerebri ['sɛrɪbrʌɪ] [= of the brain]) either of two symmetrical nerve tracts of the midbrain linking the pons and the cerebral hemispheres. E18.

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