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Definition of tagus
tagus
/ˈteɪ.ɡəs/
Ta · gus
tagus Lexical Profile
CEFR
C1
Grade
9
Tier
3
Usage
Rare
Syllables
2
• noun
1
The longest river in the Iberian Peninsula, rising in the Montes Universales in eastern Spain and flowing westward across Spain and Portugal to empty into the Atlantic Ocean near Lisbon.
Word Nuance & Usage
In English, the river is standardly referred to by its Latinized name, the Tagus, whereas it is called the Tajo in Spanish and the Tejo in Portuguese.
• Rhymes for tagus
• Nearby Words
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Tagus. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/tagus