- The definition of a transversal is a line that intersects a system of lines.
A line that cuts across a series of two parallel lines is an example of a transversal.
Origin of transversalMiddle English ; from Medieval Latin transversalis
Line PQ is a transversal.
(comparative more transversal, superlative most transversal)
- Running or lying across; transverse; as, a transversal line.
From Latin transversalis.