Welding joins two pieces of metal into one, so the torch is traditionally read as bonding, repair and commitment. Its blinding light also stands for a connection that needs care to look at directly.
When this appeared in your dream, what were you feeling?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.