blood chit

== English == === Etymology === (This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.) === Noun === blood chit (plural blood chits) A notice carried by military personnel, addressed to any civilians who may come across them when they are in trouble, requesting that assistance be offered to them in such situations. A form signed by a passenger on a private or military aircraft, granting indemnity to the flight operator against any accident.