by JaySav551 December 6, 2018
1) A hard, black, often glassy, volcanic rock. It was produced by the partial melting of the Earth's mantle.
2) A stone-like, hard black unglazed pottery.
by Jafje June 14, 2007
by izerin2103 November 13, 2006
by L-dawg January 26, 2003
by caca111 March 5, 2019