boyau /bwoˈyō, bwäˈyō or boiˈō/ (fortification)

A communication trench

• daylight lamps
• daylight robbery
• daylights
• daylight-saving
• Daylight Saving Time
• day lilies
• day lily
• daylong
• daymark
• daymarks
• day name
• day names
• day-nettle
• day-neutral plant
• daynt
• day nurseries
• day nursery
• day of action
• Day of Atonement
• day off
• Day of Judgement
• day-old
• day one
• day out
• daypack