Easter eggs symbolize fertility, and this is related to the ancient fertility cults and their spring celebrations that Easter mimics in some ways. In fairness, Easter eggs are not a sanctioned part of Easter celebrations for most churches.
Eggs can be thought of as some sort of religious symbolic representation of birth (or rebirth) as in the case for Easter. As far as the rabbit is concerned, your guess is as good as anyone.
Hard-boiled eggs, being round, are symbolic of the cyclical nature of life and death (Rashi commentary on Genesis ch.25).
That is a symbolic victory. The eagle is symbolic of victory.
You need to specify what is it that is symbolic.
If something is special to you it is symbolic.
the symbolic animal is the puma.
A symbolic story is an allegory.
The Palm tree is symbolic of Easter.
Symbolic logic or algebra.
The Symbolic Species was created in 1997.
The US flag is a symbolic symbol for our country.
I like totally found a word for the symbolism of hieroglyphics.