1. Something or someone that makes or investigates tunnels
   "He is a member of the engineers, a tunneller who worked on the construction of the London Underground"
   - tunneler [US]

Derived forms: tunnellers

• dilator
• dilatorily
• dilatoriness
• dilatory
• dilatory plea
• Dilaudid
• dildo
• dilemma
• dilettante
• dilettanteish
• dilettantish
• dilettantism
• diligence
• diligent
• diligently
• dill
• dill pickle
• dill seed
• dill weed
• dillenia
• Dilleniaceae
• dilleniid dicot family
• dilleniid dicot genus
• Dilleniidae
• dilly