Definition of "houseplant" [houseplant]

• Any of a wide variety of plants grown indoors, often for decorative purposes. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "What you normally call a houseplant they know to be Mother Nature's clean air machine."
• "A woman who laughingly called me a "houseplant" but let me spend my vacation as I wanted, loved me as I was."
• "Well, known as salvia divinorum, this leafy "houseplant" is a highly-potent relative of sage and mint plants."