Definition of houseplant noun from the Oxford Advanced Learner's Dictionary

 

houseplant

 noun
noun
BrE BrE//ˈhaʊsplɑːnt//
 
; NAmE NAmE//ˈhaʊsplænt//
 
(British English also pot plant)
 
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a plant that you grow in a pot and keep indoors
See the Oxford Advanced American Dictionary entry: houseplant