Muffle (verb)

1. Wrap up (someone or something) in order to keep them warm.
2. Deaden or reduce the sound of (something) by wrapping it in a thick material or by enclosing it in a case.

Origin:

Middle english (in the sense "wrap up warmly"): from old french moufle "mitten", from latin muffula "mitten", diminutive of muffus "muffled".

Examples:

1. She muffled herself in a thick scarf to keep warm.
2. He muffled the drums to reduce the sound.
3. The piano was muffled to practice late at night.
4. The noise was muffled by the soundproofing.
5. The scream was muffled by the pillow.