An archaic or variant spelling of 'float'; a body of water, a fleet, or something buoyant.
From Old English 'flota' meaning fleet or body of ships, derived from Old Norse 'floti'. This is an older form that survives mainly in historical texts and specialized nautical contexts.
Many English words have multiple old spellings—'flot' reminds us that spelling wasn't standardized until dictionaries became common, so writers in the 1600s might spell the same word three different ways!
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