n. Any crude mixture, especially of organic matters, in the form of a thin paste.n. In medicinen. The thick residuum obtained after subjecting certain substances to pressure to extract the fluid parts.n. The grounds which remain after treating a substance with water, alcohol, or any other menstruum.n. A salve of a certain degree of consistence.n. A confection.n. In petrol., the ground-mass or basis of a rock; that part which is amorphous or which has no decidedly individualized contours, so far as can be made out from examination of thin sections with the aid of a microscope.