1. Protected with battlements or parapets with indentations or embrasures for shooting through 
2. Having or resembling repeated square indentations like those in a battlement
   - embattled, castled, castellated

See also: fancy, protected

• residence time
• residency
• resident
• resident commissioner
• resident physician
• residential
• residential area
• residential district
• residentially
• residentiary
• residual
• residual clay
• residual oil
• residual soil
• residuary
• residue
• residuum
• resift
• resign
• resignation
• resignedly
• resile
• resilience
• resiliency
• resilient