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

• fusions
• fusion welding
• fuss
• fuss-ball
• fussball
• fussbudget
• fussbudgets
• fussed
• fusser
• fussers
• fusses
• fussier
• fussiest
• fussily
• fussiness
• fussinesses
• fussing
• fusspot
• fusspots
• fussy
• fust
• fustanella
• fustanellas
• fusted
• fustet