do-si-do
Concise Oxford English Dictionary © 2008 Oxford University Press:
do-si-do /ˌdəʊzɪˈdəʊ, -sɪ-/ (also do-se-do)
▶noun (pl. do-si-dos) (in country dancing) a figure in which two dancers pass round each other back to back and return to their original positions.
'do-si-do' also found in these Oxford entries:

