Muff(n.) A soft cover of cylindrical form, usually of fur, worn by women to shield the hands from cold.
Muff(n.) A short hollow cylinder surrounding an object, as a pipe.
Muff(n.) A blown cylinder of glass which is afterward flattened out to make a sheet.
Muff(n.) A stupid fellow; a poor-spirited person.
Muff(n.) A failure to hold a ball when once in the hands.
Muff(n.) The whitethroat.
Muff(v. t.) To handle awkwardly; to fumble; to fail to hold, as a ball, in catching it.

Words within muff