monolith

noun

1. an obelisk, column, large statue, etc., formed of a single block of stone.
2. a single block or piece of stone of considerable size, especially when used in architecture or sculpture.
3. something having a uniform, massive, redoubtable, or inflexible quality or character.

noun

1. a large block of stone or anything that resembles one in appearance, intractability, etc
2. a statue, obelisk, column, etc, cut from one block of stone
3. a large hollow foundation piece sunk as a caisson and having a number of compartments that are filled with concrete when it has reached its correct position

n.“column consisting of a single large block of stone,” 1848, from French monolithe (16c.), from Latin monolithus (adj.) “consisting of a single stone,” from Greek monolithos “made of one stone,” from monos “single, alone” (see mono-) + lithos “stone.” Transferred and figurative use is from 1934.