flat knot
reef knot BrE
square knot AmE

The guy knows how to tie a square knot.

It's easy to tie a square knot, and look!

The laces on both shoes were broken and mended with square knots.

Service stars may be worn above the pocket or top row of square knots.

Use a square knot like you learned in the Boy Sprouts.

In both cases there were a lot of loose ends dangling that should have been tied into neat square knots.

At a man who could tie Tyrone into a square knot and shot put him fifty feet without breaking a sweat.

He peeled the sheets off the table, took one and tied it around the table with a square knot.

These two polynomials are the same as those for the square knot.

"You've torn your shirt," I said, finishing off the last bandage with a small square knot.