Definitions
1.nounA large, single block of stone which is a natural feature; or a block of stone or other similar material used in architecture and sculpture, especially one carved into a monument in ancient times.
2.nounAnything massive, uniform, and unmovable, especially a towering and impersonal cultural, political, or social organization or structure.
3.nounA substrate having many tiny channels that is cast as a single piece, which is used as a stationary phase for chromatography, as a catalytic surface, etc.
4.nounA dead tree whose height and size have been reduced by breaking off or cutting its branches.