LINEA

linea (lin-ee-<<schwa>>), n.[Latin “line”] Hist. A line of descent.

linea directa (lin-ee-<<schwa>> d<<schwa>>-rek-t<<schwa>>). [Latin “direct line”] Roman law. The relationship among persons in the direct line of ascent and descent, such as grandfather, father, and son. — Also termed linea recta.

linea transversa (lin-ee-<<schwa>> trans-v<<schwa>>r-s-<<schwa>>). [Latin “transverse line”] Roman law. The relationship between persons in collateral lines of descent, such as uncle and nephew. — Also termed linea obliqua.
[Blacks Law 8th]