lineal

adj

Etymology: From Old French lineal, from Latin līneālis, from līnea (“a line”) + -ālis (adjective-forming suffix). By surface analysis, line + -al. Doublet of linear.

1. Pertaining to lines; consisting of lines.
2. Relating to aspects of lineage, such as descent, succession, inheritance or consanguinity.

   “the prime and ancient right of lineal succession”

   “Oh that your Brows my Laurel had ſuſtain'd, / Well had I been depos'd, if You had Reign'd! / The Father had deſcended for the Son; / For only you are lineal to the Throne.”

3. In the direction of a line; measured or ascertained by a line.

   “lineal magnitude”

4. Line-drawn; composed of lines.

   “lineal designs”

5. Sans serif.