Someone who conducts a programme of varied entertainment, for example by introducing performers to the audience.
A rapper.
Someone who acts as a host at a formal event.
A journalist who investigates, edits and reports news stories for newspapers, radio and television.
A person who records and issues official reports of judicial or legislative proceedings.
A gene attached by a researcher to a regulatory sequence of another gene of interest, typically used as an indication of whether a certain gene has been taken up by or expressed in the cell or organism population.
A case reporter; a bound volume of printed legal opinions from a particular jurisdiction.
Someone or something that reports.