a. Obs. rare–1. [f. FLOW sb. or v. + -SOME.] Fluid.
1674. N. Fairfax, A Treatise of the Bulk and Selvedge of the World, 73. The magnetisms and poyses of the earthly Vortex, which will not allow an heavy body left to it self within a flowsom one that is lighter, to buoy up.
