The Collaborative International Dictionary
Spumiferous
Spumiferous \Spu*mif"er*ous\ (sp[-u]*m[i^]f"[~e]r*[u^]s), a. [L. spumifier; spuma foam + ferre to bear.] Producing foam.
Wiktionary
spumiferous
a. (context obsolete rare English) Producing foam.