caterpillar /katˈər-pi-lər/

1. A butterfly or moth grub
2. Extended to other insect larvae
3. An unproductive consumer (archaic)
4. (Caterpillar®) a tractor or other (esp earthmoving) vehicle running on endless articulated tracks made up of a series of flat metal plates

• muffin-fights
• muffing
• muffin man
• muffin men
• muffin pan
• muffin pans
• muffins
• muffin top
• muffin tops
• muffin-worry
• muffish
• muffle
• muffled
• muffler
• mufflers
• muffler shop
• muffler shops
• muffles
• muffling
• muffs
• muflon
• muflons
• Muftat
• mufti
• MUFTI