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

• castaway
• caste
• caste system
• casteless
• castellan
• castellated
• castellation
• caster
• caster sugar
• castigate
• castigation
• castigator
• Castile
• castile soap
• Castilian
• Castilla
• Castilleia
• Castilleja
• Castilleja chromosa
• Castilleja miniata
• Castilleja sessiliflora
• Castilleja sulphurea
• Castillian
• casting
• casting couch