Noah Webster's Dictionary 1. (n.) A deep trench around the rampart of a castle or other fortified place, sometimes filled with water; a ditch. 2. (v. t.) To surround with a moat.

Multi-Version Concordance Moat (2 Occurrences) 1 Kings 21:23 And of Jezebel also spake Jehovah, saying, The dogs shall eat Jezebel by the rampart of Jezreel. (See JPS DBY) Daniel 9:25 Know therefore and discern, that from the going forth of the commandment to restore and to build Jerusalem to the Anointed One, the prince, shall be seven weeks, and sixty-two weeks: it shall be built again, with street and moat, even in troubled times. (WEB JPS ASV DBY NAS RSV)