Definition of "foamy"

Tlepolemus, the sun of Hercules, / Led nine swift vessels through the foamy seas

1715–1720, Homer, [Alexander] Pope, transl., “(please specify the book of the Iliad or chapter quoted from)”, in The Iliad of Homer, volumes (please specify |volume=I to VI), London: […] W[illiam] Bowyer, for Bernard Lintott […]

For busy thoughts the Stream flowed on / In foamy agitation

1835, William Wordsworth, “(please specify the poem)”, in Yarrow Revisited, and Other Poems, London: […] Longman, Rees, Orme, Brown, Green, & Longman, […]; and Edward Moxon, […]