• (n.) A color marking or structure on the head somewhat resembling a hood. • (n.) A hood-shaped organ, resembling a cowl or monk`s hood, as certain concave and arched sepals or petals. Found on http://thinkexist.com/dictionary/meaning/cucullus/
Cu·cul'lus noun ; plural Cuculli . [ Latin , a hood.] 1. (Botany) A hood-shaped organ, resembling a cowl or monk's hood, as certain concave and arched sepals or petals. 2. (Zoology) A color marking or structure on the head somewhat resembling a hood. Found on http://www.encyclo.co.uk/webster/C/199