to give a lot of your time and effort to a particular activity or purpose because you think it is important

to say at the beginning of a book, a piece of music or a performance, or when receiving an award, that you are doing it for somebody, as a way of thanking them or showing respect

This book is dedicated to my parents.

I want to dedicate this award to my first music teacher, Ben Gould.

to hold an official ceremony to say that a building or an object has a special purpose or is special to the memory of a particular person

A memorial stone was dedicated to those who were killed in the war.

LEARNit Dictionary