a large, strong building fortified against attack, especially as in olden times
magnificent home, often for royalty
Cases of word usage
1) the low wall round a tower or castle with openings through which to shoot (battlements)
2) a castle or large country house in France (chateau)
3) (the cost of) food and rent; for always; a large tower in a castle etc; to continue to have (something); have (something) in one's possession and not give it back (keep)
4) a long, deep ditch filled with water, used round a castle etc as a defence (moat)
