spumous
Spum"ous, Spum"y, a. Etym: [L. spumosus, spuma foam: cf. F. spumeux.] Defn: 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.