ed ed /ˈɛd/

abbreviation

1. Education (Used In Compounds) (ed) - The process of receiving or giving systematic instruction.  ( ed )
   Education (Used In Compounds) (ed) - The process of receiving or giving systematic instruction.
   

 ED

noun

1. Impotence resulting from a man's inability to have or maintain an erection of his penis  ( ED , erectile dysfunction , male erecticle dysfunction )
   impotence resulting from a man's inability to have or maintain an erection of his penis