| Noun | 1. | genus Ceratozamia - small genus of Mexican cycads; sometimes classified in family Cycadaceae gymnosperm genus - a genus of gymnosperms family Zamiaceae, zamia family, Zamiaceae - a family of cycads often included in the family Cycadaceae: zamias ceratozamia - a small cycad of the genus Ceratozamia having a short scaly woody trunk and fernlike foliage and woody cones; Mexico |