Why is it der Player?

Player ends in -er, and most nouns ending in -er are masculine: in a German dictionary, 86% of them take der.

All nouns ending in -er
Sense 1
der

Meaning

[1] Electrical engineering: A device that plays image and sound media

[1] Elektrotechnik: ein Gerät, das Bild- und Tonmedien abspielt

[2] Software: A software that reflects image and sound media

[2] Software: eine Software, die Bild- und Tonmedien wiedergibt

[3] Electrical engineering, software: Short form for devices and software [1, 2] that perform the task of [1, 2]

[3] Elektrotechnik, Software: Kurzform für Geräte und Software [1, 2], die die Aufgabe von [1, 2] erfüllen

[4] Important person or company in a larger community

[4] Wichtige Person oder Firma in einer größeren Gemeinschaft

Examples

[1] Why don't you say playback device right away, I couldn't do anything with the term player

[1] Warum sagst du nicht gleich Wiedergabegerät, mit dem Begriff Player konnte ich nichts anfangen.

[2] Without the right player, the browser shows you nothing

[2] Ohne den passenden Player zeigt dir der Browser nichts an.
More source examples (1)

These dictionary examples can include historical and less common uses.

[4] This company became a global player in the electronics industry

[4] Diese Firma wurde ein globaler Player in der Elektronikindustrie.

Declension

1 Singular Plural
Nominativ der Player die Player
Genitiv des Players der Player
Dativ dem Player den Playern
Akkusativ den Player die Player

Pronunciation

Dictionary entries include material from Wiktionary. Wiktionary