切る (きる) means 'to cut.' This transitive verb is used for cutting various things, such as paper, food, or hair. The object being cut is marked with the particle 'を'. For example, '紙を切ります' (Kami o kirimasu) means 'I cut paper.'

切(き)るは「切(き)る」という意(い)味(み)です。紙(かみ)や食(た)べ物(もの)などを切(き)るときに使(つか)います。「紙(かみ)を切(き)ります」