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).
The Blue Room is one of three state parlors on the first floor in the White House, the residence of the President of the United States. It is distinct for its oval shape.