Circular

Here, in the transept and choir, where the service was being held, one was conscious every moment of an increasing brightness; colours glowing vividly beneath the circular chandeliers, and the rows of small lights on the choristers' desks flashed and sparkled in front of the boys' faces, deep linen collars, and red neckbands.

circular reasoning

Your dictionary defines "brave" as "courageous", and "courageous" as "brave". That's a circular definition.

a circular formula in a spreadsheet

It must be conceded that this definition (the definition of tort) is somewhat circular, but it is the only one that will suffice.

a proclamation of Henry III., […] doubtless circular throughout England

A man so absolute and circular / In all those wished-for rarities that may take / A virgin captive.

February 1, 1711, John Dennis, on the Genius and Writings of Shakespeare Had Virgil been a circular poet, and closely adhered to history, how could the Romans have had Dido?

The pigeon-hole was also stuffed with circulars and hand-bills.

The result of the sending of these notices confirms me in the opinion, that it will be necessary to adopt legal means with the great majority of these parties. The circulars have had little effect. In fact, the parties have been “circulared" into the notion that nothing more formidable will ever be sent to them.

It is true, that, to obtain these, some six hundred or more institutions were circulared, and a good many of these a second time.

I do not mean to say we have never employed some of them who come to us—but we have never circulared agents or gone after them.

If you've ever been circulared by drug repackaging houses, you know they usually offer to trade a selection of office supplies for your unused drug samples.

The theme can be expressed in an architectural analogy. For, of all contriving to encover space, the arch — alone or 'circulared' into the dome — is the most ingenious.