Simple Definition of lineal
: having a direct family relationship : related by a direct series of parents and children
Full Definition of lineal
1 : linear
2 : composed of or arranged in lines
4 a : belonging to one lineage <lineal relatives> b : of, relating to, or dealing with a lineage
Examples of lineal
He claims that he is a lineal descendent of a famous military hero.
First Known Use of lineal
Seen and Heard
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