Meanings of circular shaft in English

Beyond the grille, a circular shaft six feet across rises at a forty-five-degree angle towards the sky.

Before him was a circular shaft.

My idea was to cut myself out a circular shaft, and thus, like a mole, work my way up.

It revealed the tubule stretching on ahead of him, a circular shaft just over a metre in diameter, and angled slightly downwards.

The top of the lift was out of sight, leaving a dark circular shaft with vertical rails that faded from sight after a few metres.

There were three circular shafts dropping down through the floor.

Millions of the smallest of crabs, sand-tinted, delicate, apprehensive and alert, possess this area, working out their destiny by digging circular shafts.