Karinagam
Karinagam is a Tamil word primarily used in historical and literary contexts. It refers to the outer fortifications or ramparts surrounding a fort or a town. It denotes the physical defensive structures built for protection against attack, encompassing walls, moats, and other barriers. The term emphasizes the strength and impregnability of these external defenses. The term appears frequently in classical Tamil literature when describing kingdoms and battles. It is not commonly used in modern everyday Tamil.