1. A demarcation, border, or limit (the line between right and wrong).
2. A person’s occupation or business (what line of business is Watson in?).
3. In manufacturing, a series of closely related products.
4. The ancestry of a person; lineage (the Fergusons came from a long line of wheat farmers).
collateral line. A line of descent connecting persons who are not directly related to each other as ascendants or descendants, but who are descendants of a common ancestor. [Cases: Descent and Distribution 32, 37. C.J.S. Descent and Distribution §§ 40–41, 44–49.]
direct line. A line of descent traced through only those persons who are related to each other directly as ascendants or descendants. [Cases: Descent and Distribution 25. C.J.S. Descent and Distribution § 32.]
maternal line. A person’s ancestry or relationship with another traced through the mother.
paternal line. A person’s ancestry or relationship with another traced through the father.