trochal

Shaped like or resembling a wheel, as the ciliated ring of a rotifer.

Wheel-like; rotiform; discoidal: as, a trochal disk or organ (see below). Also trochate.

Having a trochal disk or organ; trochate; trochiferous.

Encircling or surrounding, like the tire of a wheel or the rim of a disk: as, a trochal set of cilia.

Revolving; spinning like a top; trochilic.

Resembling a wheel.

the cephalic disk of a rotifer. It is usually surrounded by a fringe of cilia.

Resembling a wheel.