Definition from Wiktionary, the free dictionary
houseplant (plural houseplants)
- A plant that is grown indoors in places such as a house or office for decorative purposes.
- Herbert thought that adding some houseplants would brighten up his desk.
- A variety of plant that is especially suited to such cultivation, or that is frequently grown in such settings.
- "I always thought a begonia was a houseplant!" exclaimed Sue, staring at the towering tropical specimen.
plant grown indoors
plant suited to such treatment