Correct spelling for the English word "helicopodia" is [hˌɛlɪkəpˈə͡ʊdi͡ə], [hˌɛlɪkəpˈəʊdiə], [h_ˌɛ_l_ɪ_k_ə_p_ˈəʊ_d_iə] (IPA phonetic alphabet).
A gait in which the foot drags and describes a partial curve.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.