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

• Sunday saint
• Sunday school
• Sunday schools
• sun deck
• sundeck
• sun decks
• sundecks
• sunder
• sunderance
• sunderances
• sundered
• sunderer
• sunderers
• sundering
• sunderings
• sunderment
• sunderments
• sunders
• sundew
• sundews
• sundial
• sundials
• sun disc
• sun discs
• sun disk