|a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.|
|a fool or simpleton; ninny.|
nitrile ni·trile or ni·tril (nī'trəl)
An organic cyanide containing a CN group.
|nitrile also nitril (nī'trəl) Pronunciation Key
An organic compound, such as acrylonitrile, containing the cyanide group CN. Nitriles are typically colorless solids or liquids and have a distinctive smell.