spūmĭger: gĕra, gĕrum, adj. spumagero,I making foam, foaming: sus, Lucr. 5, 985: lupi, Manil. 5, 74.
spūmĭgĕr,¹⁶ ĕra, ĕrum, c. spumifer : Lucr. 5, 985 ; Manil. 5, 74.