bowleg

from WordNet (r) 3.0 (2006)

bowleg
    adj 1: have legs that curve outward at the knees [syn: {bandy},
           {bandy-legged}, {bowed}, {bowleg}, {bowlegged}]
    n 1: a leg bowed outward at the knee (or below the knee) [syn:
         {bowleg}, {bow leg}, {bandyleg}, {bandy leg}, {genu varum},
         {tibia vara}]

from The Collaborative International Dictionary of English v.0.48

Bowleg \Bow"leg`\, n.
   A crooked leg. --Jer. Taylor.
   [1913 Webster]