Matto Grosso

US: (mat′ə grō′sō; Port. mä′tŏŏ grô′sŏŏ)

WordReference Random House Unabridged Dictionary of American English © 2025

Mat•to Gros•so  (mat′ə grō′sō; Port. mä′tŏŏ grô′sŏŏ). 

1. Place Names See Mato Grosso. 

Collins Concise English Dictionary © HarperCollins Publishers::

Matto Grosso / ˈmætəʊ ˈɡrɒsəʊ/ noun

1. a variant spelling of Mato Grosso

WordReference Random House Unabridged Dictionary of American English © 2025

Ma•to Gros•so  (mä′tŏŏ grô′sŏŏ; Eng. mat′ə grō′sō), 

1. Place Names a plateau in SW Brazil.
2. Place Names a state in SW Brazil. 1,418,000;
   475,378 sq. mi. (1,231,230 sq. km). Cap.: Cuiabá.

Also, Matto Grosso. 

Collins Concise English Dictionary © HarperCollins Publishers::

Mato Grosso, Matto Grosso / ˈmætəʊ ˈɡrɒsəʊ ˈmatu ˈɡrosu/ noun

1. a high plateau of SW Brazil: forms the watershed separating the Amazon and Plata river systems
2. a state of W central Brazil: mostly on the Mato Grosso Plateau, with the Amazon basin to the north; valuable mineral resources. Capital: Cuiabá. Pop: 2 604 742 (2002). Area: 881 001 sq km (340 083 sq miles)