‖n. [ F. ] (Cookery) A kind of frosted cake, containing flavored cream. [ 1913 Webster ]
v. t. [ F. éclaircir; pref. es- (L. ex) + clair clear, L. clarus. ] To make clear; to clear up what is obscure or not understood; to explain. [ 1913 Webster ]
‖n. [ F., fr. éclaircir. See Eclaircise, v. t. ] The clearing up of anything which is obscure or not easily understood; an explanation. [ 1913 Webster ]
The eclaircissement ended in the discovery of the informer. Clarendon. [ 1913 Webster ]