The wombat digs deep burrows and is famously solid and stubborn. It is read as groundedness, a safe home underground and a toughness that is hard to move.
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.