hopak
Multiple Entries:hopak gopak
Concise Oxford English Dictionary © 2008 Oxford University Press:
hopak
▶noun variant spelling of gopak.
Concise Oxford English Dictionary © 2008 Oxford University Press:
gopak /ˈgəʊpak/ (also hopak)
▶noun an energetic Ukrainian dance traditionally performed by men.
– origin Russ., from Ukrainian hopak.
'hopak' also found in these Oxford entries:

