n.

1. （對修道士的）特免
2. （古時戰場上為免除受傷之敵痛苦而用的）匕首

n.

1. a ledge projecting from the underside of a hinged seat in a choir stall, giving support to someone standing when the seat is folded up.
2. historical an apartment in a monastery in which some relaxations of discipline were permitted.
3. historical a small dagger for delivering a death stroke to a wounded enemy.