Oxford Dictionary English houseplant noun noun BrE BrE//ˈhaʊsplɑːnt// ; NAmE NAmE//ˈhaʊsplænt// (British English also pot plant) Add to my wordlistjump to other results enlarge image a plant that you grow in a pot and keep indoorsSee houseplant in the Oxford Advanced American DictionaryCheck pronunciation: houseplant oxfordlearnersdictionaries.com