Boston Fern The most common indoor fern, Boston ferns are long-lived plants that can reach more than 5 feet tall and wide at maturity (though indoors they rarely reach that size). Fern breeders have released a large number of varieties -- from selections with golden fronds to fantastically frilled fronds.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  green room(Noun) (entertainment) In a television studio, theatre or concert hall, the room where performers await their entrance. 2  green room(Noun) The inside of a tube (ie. of a wave making a tube).
Freebase(0.00 / 0 votes)Rate this definition: Bonus room. A bonus room is a large room in a house which can be used as a multi-purpose area. A bonus room, unlike an American bedroom, does not usually contain a closet. A bonus room might be used as a family room, sewing or hobby room, game room, home cinema, office, or den.