What is "foggage"

Fog \Fog\ (f[o^]g), n. [Cf. Scot. fog, fouge, moss, foggage rank grass, LL. fogagium, W. ffwg dry grass.] (Agric.)

1. A second growth of grass; aftergrass.

2. Dead or decaying grass remaining on land through the winter; -- called also foggage. [Prov.Eng.]
   --Halliwell.

   Note: Sometimes called, in New England, old tore. In Scotland, fog is a general name for moss.

n. (context UK dialect English) Dead or decaying grass remaining on land through the winter.