Definition of lineal adjective from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈlɪniəl//
; NAmE NAmE//ˈlɪniəl//
[only before noun] (formal) Family background
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coming in a direct line from an earlier or later generation of the same family as somebody a lineal descendant of the company’s founder See related entries: Family background Word Originlate Middle English: via Old French from late Latin linealis, from linea ‘a line’.
See the Oxford Advanced American Dictionary entry: lineal