What does angles mean?
The definition of angles
An”gles, n. pl.
Etym: [L. Angli. See Anglican.] (Ethnol.)

An ancient Low German tribe, that settled in Britain, which came to be called Engla-land (Angleland or England). The Angles probably came from the district of Angeln (now within the limits of Schleswig), and the country now Lower Hanover, etc.