Obs. rare–1. [ad. L. spissāmentum, f. spissāre (see next). Cf. It. spessamento, Sp. espesamiento.] A thickening substance.
1652. French, Yorksh. Spaw, iv. 46–7. The body is to be annointed with oyle, with spissaments or thickeners that the quality onely of the cooler be received, and not the substance.
