tatuzão

Portuguese

Etymology

From tatu +‎ -z- +‎ -ão

Noun

tatuzão m (plural tatuzões)

(Brazil) (engineering) tunnel boring machine, TBM, tunnelling machine (a large machine used to excavate tunnels with a circular cross section)
Synonym: tuneladora

Further reading

“tatuzão” in Dicionário infopédia da Língua Portuguesa. Porto: Porto Editora, 2003–2022.
“tatuzão” in Dicionário inFormal.

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