noun🔗ShareChiendent, chiendent communCouch grass, a species of persistent grass, Elymus repens, usually considered a weed."The lawn was infested with couch grass, making it difficult to mow. "La pelouse était infestée de chiendent, ce qui rendait la tonte difficile.plantagriculturenaturebiologyenvironmentessentialChat with AIVocabulary GamePractice Reading