galliard
Concise Oxford English Dictionary © 2008 Oxford University Press:
galliard /ˈgalɪɑːd, -ɪəd/
▶noun historical a lively dance in triple time for two people.
– origin ME (as adj. meaning ‘valiant, sturdy’ and ‘lively’): from OFr. gaillard ‘valiant’, of Celtic origin.
'galliard' also found in these Oxford entries:

