aquamanile

noun, plural aq·ua·ma·ni·les [ak-wuh-muh–nahy-leez, ah-kwuh-muh–nee-leys] /ˌæk wə məˈnaɪ liz, ˌɑ kwə məˈni leɪs/, aq·ua·ma·nil·i·a [ak-wuh-muh–nil-ee-uh, ah-kwuh-] /ˌæk wə məˈnɪl i ə, ˌɑ kwə-/.

1. a medieval ewer, often made in grotesque animal forms.
2. Ecclesiastical. a basin used by a celebrant for washing the hands during the saying of the Mass.