bloodline

Noun

bloodline (plural bloodlines)

1. The abstract link between a person and their ancestors.
   • For centuries in Britain, the country’s noblemen have sat in parliament by virtue of their bloodline – but not for much longer.2024 July 20, Harriet Sherwood, “The last of the hereditary peers in the House of Lords”, in The Guardian, →ISSN
2. The pedigree of an animal.
3. By extension, the predecessors of a particular item or product.
   • No other Sport Utility Vehicle has a bloodline like the Cayenne.2002, Tampa Bay Magazine - Sep-Oct 2002, volume 17, number 5, page 63
4. A line of dark red muscle running down the middle of a fish.