LAPIS, in Latin, a stone. Hence, LAPIS Bononiensis, the Bolognian stone. LAPIS Hepaticus, liver stone. LAPIS Lazuli, azure stone, an aluminous mineral, of a rich blue color, resembling the blue carbonate of copper. [See Lazuli.] LAPIS Lydius, touch-stone; basanite; a variety of siliceous slate.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI