seicento
Concise Oxford English Dictionary © 2008 Oxford University Press:
seicento /seɪˈtʃɛntəʊ/
▶noun the style of Italian art and literature of the 17th century.
– derivatives
seicentist noun.
seicentist noun.
– origin Ital., ‘600’, shortened from mille seicento ‘1600’, used with ref. to the years 1600–99.
'seicento' also found in these Oxford entries:

