a radio-astronomy and ionospheric observatory near Arecibo, Puerto Rico: site of one of the world's largest single-dish radio telescopes, 1000 ft. (305 m) in diameter.
ARECIBO OBSERVATORY
Meaning of ARECIBO OBSERVATORY in English
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012