British or alternative plural of caucus, using the double-s spelling convention to create the plural form.
From caucus with the British spelling convention of doubling the final consonant (caucuss-) before adding the plural -es. This creates a variant plural alongside the standard 'caucuses.'
Spellings like 'caucusses' remind us that even in the age of standardized English, British and American writers still play by slightly different orthographic rules, creating variant forms that would confuse spell-checkers.
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