Rainier, Mount Syllabification: (Rai·nier, Mount)Pronunciation: /rəˈni(ə)r, rā-/Definition of Rainier, Mount a volcanic peak in southwestern Washington State. Rising to a height of 14,410 feet (4,395 m), it is the highest peak in the Cascade Range. Rainier, Mount in other Oxford dictionaries Definition of Rainier, Mount in the British & World English dictionary
