common reed From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounPhragmites australis, a monoculture reed grass. Related wordsSynonymsphragcarrizoditch reedphragmites communisgiant reedribbongrasstall reedtropical reedkamishsmall reedreedgiant canebluejoint reed grassbur-reedphragmiteswitchgrass References Wiktionary — common reed Wikipedia — common reed