Definify.com
Webster 1913 Edition
Palmic
Pal′mic
,Adj.
 [Cf. F. 
palmique
.] (Chem.) 
Of, pertaining to, or derived from, the castor-oil plant (
Ricinus communis
, or Palma Christi
) and other species of the family Euphorbiaceae
; – formerly used to designate an acid now called ricinoleic 
acid (d-12-hydroxyoleic acid, C18H34O3
). [Obsoles.]