noun
partner, companion
A1
Partner: masculine noun meaning 'partner' or 'companion' (e.g., business or romantic). Plural is die Partner. No irregular plural or special preposition. Declines like der Partner, des Partners, dem Partner. Use gender der; female form is Partnerin. Common in everyday and formal contexts.
Examples
Er ist mein geschäftlicher Partner.
He is my business partner.
Der Geschäftsführer stellte einen neuen Partner vor, der die Verhandlungen leiten sollte, weil der bisherige Partner ausfiel.
The manager introduced a new partner who was to lead the negotiations because the previous partner dropped out.
Mein Partner hilft mir beim Umzug.
My partner helps me with the move.
Details
Mnemonics
picture two people shaking hands as partners
sounds like 'partner' in English
der -> imagine a male partner (masculine)
Notes
Partner can refer to a romantic partner or a business partner depending on context. For a female partner, use Partnerin.