houseplant

[ hous-plant, -plahnt ]
/ ˈhaʊsˌplænt, -ˌplɑnt /

noun

an ornamental plant that is grown indoors or adapts well to indoor culture.

Origin of houseplant

First recorded in 1870–75; house + plant

British Dictionary definitions for house plant

house plant

noun

a plant that can be grown indoors