boyau /bwoˈyō, bwäˈyō or boiˈō/ (fortification)

A communication trench

• haruspicies
• haruspicy
• Harvard classification
• harvest
• harvest bug
• harvest bugs
• harvested
• harvester
• harvesters
• harvest-feast
• harvest-feasts
• harvest festival
• harvest festivals
• harvest-field
• harvest-fields
• harvest-flies
• harvest-fly
• harvest-geese
• harvest-goose
• harvest home
• harvest homes
• harvesting
• harvest lady
• harvest lice
• harvest lord