It means incorruptibility.
Dream dictionary: resin dream meanings
(Conifers | Pitch) In a dream, resins mean travels. (Also see Conifer tree)
(Pitch | Resin) In a dream, a conifer tree means travels. (Also see Resin)
Most of the authors agree that the pine tree symbolizes longevity and immortality, like all evergreens, but with the pine tree this aspect is highlighted by the incorruptibility of its resin. Also, dreaming of hugging a tree reflects your desire to regain energy and health.
(See Resin)
(Conifers | Resin) In a dream, it means travels. (Also see Conifer tree)