the.com/bicorn

A two-pointed hat worn sideways, so Napoleon could be spotted from miles away.

means A hat with two points or horns, most famously the sideways-worn style favored by Napoleon and other military and ceremonial officers.

from From Latin bi- ('two') plus cornu ('horn'), so literally 'two-horned.' The word originally described anything with two horn-like projections before it settled on headwear — the tricorn's sleeker descendant, with one point folded away for a lower profile and a more rakish silhouette.

napoleon's hat
he owned over 120 of them
worn how
athwart, perpendicular to the shoulders, not fore-aft
origin
evolved from the bulkier tricorn in late 1700s
also means
a math curve shaped like two horns
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