Longman Dictionary of Contemporary English
Wiktionary
n. A tennis court with a grass surface.
Wikipedia
A grass court is one of the four different types of court on which the sport of tennis, originally known as "lawn tennis", is played. Grass courts are made of grasses in different compositions depending on the tournament.
Although grass courts are more traditional than other types of tennis courts, maintenance costs of grass courts are higher than those of hard courts and clay courts. Grass courts (in the absence of suitable covers) must be left for the day if rain appears, as the grass becomes very slippery when wet.
Grass courts are most common in Britain, although the Northeastern United States also has some private grass courts.
Usage examples of "grass court".
One Labor Day weekend they had motored to Southampton, where for three days in an old house belonging to her Uncle Ogden Watress, Clay drank gin and tonic (not bourbon and water), played tennis on a grass court (not clay) and lunched daily at a beach club overlooking an oval pool in which the noise of interchangeable towheaded children drowned out all talk of the stock market (not politics).
The first closeup I caught with the equipment showed three youngsters playing on a triangular grass court of some sort.
On the far grass court, a crowd of about fifty had assembled on wooden benches.
As the years had passed, he had gone to work at the same mill, found others to play tennis, found it possible to play on a real grass court, found himself using a racquet which was properly strung .
On the right and left were doors leading into other living-rooms, but on the side which faced you as you came in were windows again, looking on to a small grass court, and from open windows to open windows such air as there was played gently.