Medical Definition of varus
1: of, relating to, or being a deformity in which an anatomical part is turned inward toward the midline of the body to an abnormal degree <a varus heel> <varus angulation of the little toe>—see cubitus varus, talipes varus; compare genu valgum, genu varum
2: valgus 1—used especially in orthopedics of the knee <changes spontaneously from the initial varus (bowing) to a valgus position (knock-knee) at about age 2 to 3—Joan M. Walker>
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