WordNet (r) 3.0 (2006):
Spanish dagger n 1: yucca of southeastern United States similar to the Spanish bayonets but with shorter trunk and smoother leaves [syn: Spanish dagger, Yucca gloriosa] 2: arborescent yucca of southwestern United States and northern Mexico with sword-shaped leaves and white flowers [syn: Spanish dagger, Yucca carnerosana]