/ay klair", i klair", ay"klair/ , n.
a finger-shaped cream puff, filled with whipped cream, custard, or pastry cream, often coated with icing.
[ 1860-65; esclair, n. deriv. of esclairier to light, flash exclariare, for L exclarare, equiv. to ex- EX- 1 + clarare to make bright, deriv. of clarus CLEAR ]