|  | 
Definition of Earcup
1. Noun. One of the two cup-like sections of a pair of headphones that enclose the listener's ears. ¹
¹ Source: wiktionary.com
|  | 
1. Noun. One of the two cup-like sections of a pair of headphones that enclose the listener's ears. ¹
¹ Source: wiktionary.com