Peat used for burning. Also in Mineralogy: †a friable variety of lignite (obsolete).

a lignite or brown-coal of Miocene age, occurring in beds at Bovey, and elsewhere.

A name for lignite as occurring in Iceland.

= lignite, n.

A variety of brown coal bearing visible traces of its ligneous structure.

a name given to lignite, and to some varieties of coal intermediate between lignite and true coal.

a soft earthy kind of lignite.