vexillology
Concise Oxford English Dictionary © 2008 Oxford University Press:
vexillology /ˌvɛksɪˈlɒlədʒi/
▶noun the study of flags.
– derivatives
vexillological adjective,
vexillologist noun.
vexillological adjective,
vexillologist noun.
'vexillology' also found in these Oxford entries:

