A stick or a stiff rod should be placed between the two knots.

It was a nice fashion statement that galvanized the boy into a stiff rod.

I was using stiffer rods and he was using softer ones.

Sticks and umbrellas are both stiff rods that go into holes in a stand in the hall.

Also, 2 stiff rods of 4 metre length were extended in the axial direction.

Given time the dislocated portion of the tail may be replaced by a stiff, cartilaginous rod.

The notochord is a stiff rod that helps support the body and runs parallel to the main nerve cord.

Toby scrambled away, looking for weapons, his leg working like a stiff rod but well enough to carry him.

Then she began to plait the strips, forming a stiff braided rod.

It was heavy and supported by the last seven tail vertebrae, which interlocked to form a stiff rod at the base of the club.