LIN'EAL, a. [L. linealis, from linea, line.]
1. Composed of lines; delineated; as lineal designs.2. In a direct line from an ancestor; as lineal descent; lineal succession.3. Hereditary; derived from ancestors.4. Allied by direct descent.For only you are lineal to the throne.5. In the direction of a line; as lineal measure.Lineal measure, the measure of length.