|blood relation or blood relative|
|a person related to another by birth, as distinct from one related by marriage|
|blood relative or blood relative|
|a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.|
|a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.|
blood relation n.
A person who is related to another by birth rather than by marriage.