ocotillo /əʊkəˈtɪləʊ/ noun1 •Any of various succulent plants, not closely related to the cactus, in genus Fouquieria, especially Fouquieria splendens, living in Central America or the southwest United States.It had rained in the night, and some of the ocotillo fences had sprouted some green. — 2006 formsocotillos