amice
Concise Oxford English Dictionary © 2008 Oxford University Press:
amice1 /ˈamɪs/
▶noun a white linen cloth worn on the neck and shoulders, under the alb, by a priest celebrating the Eucharist.
– origin ME: from med. L. amicia, amisia.
Concise Oxford English Dictionary © 2008 Oxford University Press:
amice2 /ˈamɪs/
▶noun a cap, hood, or cape worn by members of certain religious orders.
– origin ME: from OFr. aumusse, from med. L. almucia.
'amice' also found in these Oxford entries:

