In preparation for the main matter; initial, introductory, preparatory.
Any of a series of sports events that determine the finalists
A preparation for a main matter; an introduction.
A relatively minor contest that precedes a major one, especially in boxing
Of or pertaining to a trial or trials; essaying; experimental.
restrained; polite; feeling one's way, not using full force.
Uncertain; subject to future change.
A trial; an experiment; an attempt.