Answer:
I hold two meanings. With one I may be broken, with the other I hold on. What am I?
I am a ship that can be made to ride the greatest waves. I am not built by objects but built by minds.
My teeth are sharp my back is straight to cut things up it is my fate.
Light me up in backyard gatherings
I am the kind of a tree that is carried in your hand. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.