Holding the floor is a phrase used to describe someone who is speaking for a long period of time, usually in a public setting. It is often used to refer to a person who is giving a speech or presentation, or participating in a debate or discussion. The term can also be used to describe someone who is dominating a conversation, or monopolizing the attention of a group. The crossword solution ORATING is an appropriate term to describe this activity, as it means to speak publicly or formally.