Plural of éclair; small oblong pastries filled with cream and topped with icing or chocolate.
From French 'éclair' meaning 'lightning' or 'flash,' named because the pastry's glossy surface gleams like lightning, or possibly because it's eaten quickly like a flash. The plural form directly borrows from French.
Pastry chefs chose a brilliant name—'éclair' literally means 'lightning' in French because the pastry is so shiny and smooth it flashes like lightning, or because you devour it in a flash!
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