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 proceeding at which discussions are heard.
The sense used to perceive sound.
The act by which something is heard.
A legal procedure done before a judge, without a jury, as with an evidentiary hearing.
Able to hear, as opposed to deaf.