1. A protective mask with a filter; protects the face and lungs against poisonous gases
   - gasmask, respirator

Derived forms: gas helmets

Type of: mask

• glacial epoch
• glacial period
• glacially
• glaciate
• glaciated
• glaciation
• glacier
• glacier lily
• glacis
• glacé
• glad
• glad eye
• glad hand
• glad rags
• gladden
• gladdened
• gladdon
• gladdon iris
• glade
• glade fern
• glade mallow
• gladfulness
• gladiator
• gladiatorial
• gladiola