alabaster UK /ˈæl.əˌbɑːs.tə/US /ˈæl.əˌbæs.tɚ/noun 4adjective 2forms 1 noun4 •A fine-grained white or lightly-tinted variety of gypsum, used ornamentally.Why should a man whose bloud is warme within, Sit like his Grandsire, cut in Alabaster? — 1596 •(historical) A variety of calcite, translucent and sometimes banded. •An off-white color, like that of alabaster. •A sculpture executed in alabaster.His alabasters are certainly very estimable; but those to whom we owe them were not skilled virtuosi, and if they acquitted themselves of their task honourably, they only produced ordinary work. — 2021 adjective2 •Made of alabaster.The crown is stored in an alabaster box with an onyx handle and a gold lock. •Resembling alabaster; white, pale, smooth, translucent.An ominous alabaster fog settled in the valley. formsalabasters