1. cone-shaped rock formations that rise from the floor of caves, formed by mineral deposits from dripping water
Usage: geology; plural of stalagmite

Examples

• The cave was filled with impressive stalagmites reaching toward the ceiling.
• Over thousands of years, dripping water created these beautiful stalagmites.
• The tour guide explained how stalagmites grow upward from the cave floor.
• Some stalagmites in the cavern were over ten feet tall.
• The children learned to remember that stalagmites grow up from the ground.
• Limestone caves often contain both stalactites and stalagmites.
• The stalagmites glowed eerily in the cave’s artificial lighting.