noun
euro
A1
Euro (der) means the euro currency used across many European countries. Main sense: monetary unit (€). Plural is unchanged (Euro); genitive singular often des Euros with -s. It's a regular masculine noun in usage and has no special preposition or reflexive use.
Examples
Der Tourist bezahlte fünf Euro Eintritt, weil das Museum nur eine kleine Sonderausstellung hatte.
The tourist paid five euros for admission because the museum only had a small special exhibition.
Das kostet 20 Euro.
That costs 20 euros.
Ein Kaffee kostet drei Euro.
A coffee costs three euros.
Details
Mnemonics
picture a shiny coin with the word EURO across it
sounds like 'your-oh' — think of your money
der (masculine) — imagine a male coin collector holding the Euro
Notes
The plural is usually 'Euro' (no -s) in German (three Euro), though 'Euros' is also heard in informal contexts.