| Noun | 1. | bear grass - yucca of southern United States having a clump of basal grasslike leaves and a central stalk with a terminal raceme of small whitish flowersyucca - any of several evergreen plants of the genus Yucca having usually tall stout stems and a terminal cluster of white flowers; warmer regions of North America | |
| 2. | bear grass - yucca of west central United States having a clump of basal grasslike leaves and a central stalk with a terminal raceme of small whitish flowersyucca - any of several evergreen plants of the genus Yucca having usually tall stout stems and a terminal cluster of white flowers; warmer regions of North America | |
| 3. | bear grass - stemless plant with tufts of grasslike leaves and erect panicle of minute creamy white flowers; southwestern United States and Mexicoagave, American aloe, century plant - tropical American plants with basal rosettes of fibrous sword-shaped leaves and flowers in tall spikes; some cultivated for ornament or for fiber genus Nolina, Nolina - perennial plants resembling yucca; found in southern United States and Mexico | |
| 4. | bear grass - plant of western North America having woody rhizomes and tufts of stiff grasslike basal leaves and spikes of creamy white flowersgenus Xerophyllum, Xerophyllum - small genus of North American herbs having grasslike basal leaves: squaw grass; sometimes placed in family Melanthiaceae | |