We don't have synonyms for llanos yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are llano, lanos and llanes.
(N) :
The (Spanish Los Llanos, "The Plains"; ) a vast tropical grassland plain situated to the east of the Andes in Colombia and Venezuela, in northwestern South America.
(N) :
a savanna and grassland region in Colombia and Venezuela.
(N) :
The (Spanish Los Llanos, "The Plains"; ) a vast tropical grassland plain situated to the east of the Andes in Colombia and Venezuela, in northwestern South America.
(N) :
a savanna and grassland region in Colombia and Venezuela.