What is the meaning of Fescue?

A straw, wire, stick, etc., used chiefly to point out letters to children when learning to read.

A hardy grass commonly used to border golf fairways in temperate climates. Any member of the genus Festuca.

An instrument for playing on the harp; a plectrum.

The style of a sundial.

To use a fescue, or teach with a fescue.

Source: wiktionary.org