do-si-do noun ordo-se-doalsodo-sa-doordos-a-dos\|dō(ˌ)sēˈdō sometimes -ōt(ˌ)sēˈ- or -ōˌsīˈ- or -ō(ˌ)chēˈ- or -ōsəˈ- or -ōzəˈ-\ (pluraldo-si-dosordo-se-dos) Etymology:dos-à-dos (I) : a square-dance figure in which the dancers passing by right shoulder circle each other back to back