| AER | (botany) growing in air |
|---|---|
| AER | in or belonging to the air or operating (for or by means of aircraft or elevated cables) in the air |
| AER | mechanically extendible ladder |
| AER | a fire engine carrying ladders |
| AER | a torpedo designed to be launched from an airplane |
| AER | a conveyance that transports passengers or freight in carriers suspended from cables and supported by a series of towers |
| AER | an acrobat who performs in the air (as on a rope or trapeze) |
| AER | in an aerial manner |
| AER | any orchid of the genus Aerides |
| AER | any habitation at a high altitude |
| AER | the lofty nest of a bird of prey (such as a hawk or eagle) |
| AER | conveying air |