Source : Webster's Revised Unabridged Dictionary (1913)

Spumous \Spum"ous\, Spumy \Spum"y\, a. [L. spumosus, ? spuma
   foam: cf. F. spumeux.]
   Consisting of, containing, or covered with, froth, scum, or
   foam; frothy; foamy.

         The spumous and florid state of the blood. --Arbuthnot.

         The spumy waves proclaim the watery war. --Dryden.

Source : WordNet®

spumous
     adj : covered with or resembling small bubbles as from being
           agitated by beating or heating; "the bubbling candy
           mixture"; "a cup of foaming cocoa"; "frothy
           milkshakes"; "frothy waves"; "spumy surf" [syn: {bubbling},
            {foaming}, {foamy}, {frothing}, {spumy}, {sudsy}]