自じ動どう体たい外がい式しき除じょ細さい動どう器きalso: えーいーでぃーじどうたいがいしきじょさいどうきMeanings1nounautomated external defibrillator; AEDmedicine›Medical device for layperson use in cardiac arrest; often seen in public places.See also: AED駅えきに自じ動どう