1 noun social, military, or professional levelaicme fem4 c m uthey came from the upper echelons of societyba den uasaicme iad2 noun MIL part of military forceéisliún masc1 c m u3 noun MIL military formationéisliún masc1 c m u4 verb MIL arrange in formation TRANSITIVEeagraigh ina n-éisliúin