continent (n.)
bank, embankment, course
1H4 III.i.106[Mortimer to Hotspur, of the river] Gelding the opposed continent as much / As on the other side it takes from you
MND II.i.92[Titania to Oberon] Contagious fogs ... falling in the land, / Hath every pelting river made so proud / That they have overborne their continents
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