A libation is a drink poured out for the gods or the departed. It is read as honouring, remembering and sharing your good fortune with those who are not at the table.
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.