Definition of Guiana Highlands in English:

Guiana Highlands

Line breaks: Gui¦ana High|lands
A mountainous plateau region of northern South America, lying between the Orinoco and Amazon River basins, largely in SE Venezuela and northern Brazil. Its highest peak is Roraima (2,774 m; 9,094 ft).

Definition of Guiana Highlands in:

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Word of the day retroflex
Pronunciation: ˈrɛtrə(ʊ)flɛks
adjective
turned backwards