Caused by the following symbol.
One of the compounds that participates in the chemical reaction that produces another compound.
That which precurses: a forerunner, predecessor, or indicator of approaching events.
A male escort at a wedding.
A doorkeeper in a courtroom.
A person, in a church, cinema etc., who escorts people to their seats.
To lead or guide somewhere.
To precede; to act as a forerunner or herald.
To accompany or escort (someone).
To guide people to their seats.