aer·o·bat·ics (âr??-b?t??ks)n. (used with a sing. or pl. verb) Spectacular stunts, such as rolls and loops, performed in an airplane or glider or by groups of airplanes flying together.[aero- + (acro)batics.]aer?o·bat? n.aer?o·bat?ic adj.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.