売る (うる) means 'to sell.' This transitive verb refers to the action of exchanging goods or services for money. The item being sold is marked with the particle 'を'. For example, '本を売ります' (Hon o urimasu) means 'I sell books.'

売る (うる) は「売る」という意味です。物をお金と交換するときに使います。「本を売ります」