|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
|a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.|
|1.||a person given to or held by a person, organization, etc, as a security or pledge or for ransom, release, exchange for prisoners, etc|
|2.||the state of being held as a hostage|
|3.||any security or pledge|
|4.||give hostages to fortune to place oneself in a position in which misfortune may strike through the loss of what one values most|
|[C13: from Old French, from hoste guest, |
a person delivered into the hands of another as a security for the performance of some promise, etc. (2 Kings 14:14; 2 Chr. 25:24).