hard work or effort that someone puts into a particular activity because they care about it a lot:
To reach a high level of skill requires talent, dedication, and a lot of hard work.
I admire his dedication to the job.
an act of dedicating something to someone, or a ceremony where this is done
the words used at the beginning of a book, film, or piece of music, thanking someone or saying that book etc has been written to show respect for them