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

• alveolar rhabdomyosarcoma
• alveolar rhabdosarcoma
• alveolar ridge
• alveolate
• alveolitis
• alveolus
• Alvin Ailey
• alvine
• alway
• always
• alyssum
• Alytes
• Alytes cisternasi
• Alytes obstetricans
• Alzheimer's
• Alzheimer's disease
• AM
• amabilis fir
• amadavat
• Amaethon
• amah
• amain
• amalgam
• amalgamate
• amalgamated