A lengthy lecture on a subject; a treatise; a discourse; a sermon.
A formal exposition of a subject, especially a research paper that students write in order to complete the requirements for a doctoral degree in the US and a non-doctoral degree in the UK; a thesis.
A lengthy and extravagant speech or argument usually intended to persuade.
A game of curling.
An early form of rap music.
To give a sales pitch; to promote by speaking.
To talk at length.