noun
envelope
B1
Means 'envelope' (der Briefumschlag). Masculine noun; plural Briefumschläge with Umlaut and -e. Declension: der Briefumschlag (Nom. sing.), des Briefumschlags (Gen.), die Briefumschläge (pl.). Common postal stationery term. Note plural forms change vowel (a → ä). Used when sending letters; irregular-looking plural due to Umlaut.
Examples
Der Lehrer öffnete den Briefumschlag, obwohl die Schüler draußen warteten.
The teacher opened the envelope, although the students were waiting outside.
Steck den Brief in einen Briefumschlag und klebe eine Marke darauf.
Put the letter in an envelope and stick a stamp on it.
Schreib die Adresse auf den Briefumschlag.
Write the address on the envelope.
Details
Mnemonics
Imagine placing a letter into a flat paper envelope with the flap closed.
Brief (letter) + umschlag (wrap) — think 'letter wrap'.
der = picture a single sturdy envelope with a small 'male' label to remember 'der'.
Notes
A standard paper envelope used to send letters. Not to be confused with packaging for parcels.