An oar stands for effort and personal agency in moving through feelings and life’s currents. A lost oar is read as feeling powerless; rowing in time with others, as cooperation.
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.