Lichenic \Li*chen"ic\ (l[-i]*k[e^]n"[i^]k), a.
Of, pertaining to, or obtained from, lichens.
[1913 Webster]
{Lichenic acid}.
(a) An organic acid, {C14H24O3}, obtained from Iceland moss.
(b) An old name of fumaric acid.
[1913 Webster]