Lewis Short
(adjective) : spūmĕus, a, um, id.
* Foaming, frothy (poet. and in post-Aug. prose): Nereus,Verg. A. 2, 419: amnis,id. ib. 2, 496: unda,id. ib. 10, 212: torrens,Ov. M. 3, 571: aper,Mart. 14, 221, 2: cumulus undarum,Luc. 9, 798: Rhodanus,Amm. 15, 11, 18: rabies per ora effluit,Luc. 5, 190; cf.: salivae hominis, Prud. στεφ. 1, 101: sucus malorum,Plin. 15, 28, 33, § 109: semen heraclii,id. 20, 19, 79, § 207: color equorum, foamlike, i. e. dappled, Pall. Mart. 13, 4.
Charlton T. Lewis, Charles Short, A Latin Dictionary