a. 1618. Sylvester, Handy-Cr., Wks. 463. Th angry Steed Befoams the path.
1697. Dryden, Ovids Met., viii. (R.). And part he [the boar] churns and part befoams the ground.
1863. Barnes, Poems Dorset Dial., 50. The clear brook that did slide befoamd white as snow.