I. gȯi-ˈde-lik adjective
Etymology: Middle Irish Goídel Gaelic, Irishman
Date: 1896
1. : of, relating to, or characteristic of the Gaels
2. : of, relating to, or constituting Goidelic
II. noun
Date: 1882
: the branch of the Celtic languages that includes Irish, Scottish Gaelic, and Manx — see Indo-European languages table