flys - definition of flys by The Free Dictionary
fly 1 (flī) v. flew (flo o), flown (flōn), fly·ing, flies (flīz) v.intr. 1. To engage in flight, especially: a. To move through the air by means of wings or winglike parts. b. To travel by air: We flew to Dallas. c. To operate an aircraft or spacecraft. 2...