aer·i·al (ârē-əl, ā-îrē-əl)
1. Of, in, or caused by the air.
2. Existing or living in the air.
3. Reaching high into the air; lofty.
4. Suggestive of air, as in lightness; airy.
5. Unsubstantial; imaginary.
6. Of, for, or by means of aircraft: aerial photography.
7. Botany Growing or borne above the ground or water: aerial roots.
1. A radio antenna, especially one suspended in or extending into the air.
a. An acrobatic maneuver performed in midair, as in skateboarding.
b. A flip in which the body turns over sideways with the arms and legs spread similar to a cartwheel.
[From Latin āerius, from Greek āerios, from āēr, air; see wer-1 in the Appendix of Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.