• (n.) An alkaloid said to be contained in the bark of Geoffroya inermis, a leguminous tree growing in Jamaica and Surinam; -- called also jamacina.
Ja·ma'i·cine noun [ From Jamaica .] (Chemistry) An alkaloid said to be contained in the bark of Geoffroya inermis , a leguminous tree growing in Jamaica and Surinam; -- called also jamacina . Watts.