Stalagmite (noun)

1. A cylindrical deposit of mineral matter that slowly grows upward from the floor of a cave, formed by the precipitation of calcium carbonate from groundwater.
2. A similar structure formed by the precipitation of mineral matter from water in another setting, such as a mineral spring or a hot spring.

Origin:

Derived from the greek word 'stálago' meaning 'to drop or trickle' and 'mítēr' meaning 'mother'. first recorded in english in the early 19th century.

Examples:

1. The visitors were fascinated by the intricate patterns of the stalagmites and stalactites in the cave.
2. After millions of years, the stalagmite had grown to reach the ceiling of the cave.
3. Scientists study the composition of stalagmites to learn about past climate conditions.
4. The crystal clear water of the mineral spring was surrounded by towering stalagmites.
5. The stalagmite was used as a landmark by the indigenous people to navigate the cave system.