Schleicher

noun
  1. A surname of German origin, often used to refer to individuals with this last name. noun
    Hans Schleicher was a renowned scientist in his field.
    The Schleicher family has lived in this town for generations.
  2. A person who moves stealthily or furtively, akin to a sneak or one who avoids being noticed. noun
    He's such a schleicher, always slipping away without anyone noticing.
    The cat was a real schleicher, creeping silently through the house.