From Longman Dictionary of Contemporary Englishdescribe a circle/an arc etcdescribe a circle/an arc etcformalSIGN/GESTURE to make a movement which forms the shape of a circle etc Her hand described a circle in the air. → describe
                                                    
                                                Examples from the Corpus
describe a circle/an arc etc• Chen saw the knife describe an arc through the air and felt himself flinch. 
