(ˈ)bī|ped ə lˌizəm also -|pēd- sometimes ˈbipəd- noun
or bi·pe·dal·i·ty ˌbīpə̇ˈdaləd.ē sometimes ˌbip-
( plural bipedalisms or bipedalities )
: the condition of having but two feet or of using only two for locomotion if more are present
the bipedalism of some desert lizards