The Euler lines of the triangle intersect at a single point called the Euler center.

I hung my clothes on the washing lines.

There are several lines of dip in the rock formation.

The students lines up outside the classroom.

Blaschko's lines are a pattern of skin markings that follow specific paths on the body.

The fog lines on the road were barely visible in the heavy mist.

The tree lines in the park provide shade on hot summer days.

Banks offer various credit lines to their customers.

The agonic lines on the map indicate the locations where the magnetic declination is zero.

The ship's anchor lines were securely fastened to the dock.