Two or more lines which intersect in a point are said to concur.

Coxeter, H. S. M. and Greitzer, S. L. "Collinearity and Concurrence." Ch. 3 in Geometry Revisited. Washington, DC: Math. Assoc. Amer., pp. 51-79, 1967.

CITE THIS AS:

Weisstein, Eric W. "Concur." From MathWorld--A Wolfram Web Resource. http://mathworld.wolfram.com/Concur.html