A series of mountain ranges stretching across a continent(noun)
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Use "mountain chain" in a sentence
"The country between Cambodia and Siam is an inclined plane falling off to the sea, beginning from the Khoa Don RÃ¨ke, or highlands of Korat, which constitutes the first platform of the terraces that gradually ascend to the mountain chain of Laos, and thence to the stupendous Himalayas."
"There must be a funneling mountain chain that directs it, and sweeps it away for four hundred miles to hit that bald plateau where we found the secondary pole, and 350 miles farther north reaches the Antarctic Ocean."
"About the grain supply, and how the Apennine mountain chain made it easier for Rome to get her grain from Africa and Sicilia than from Italian Gaul."