Ironwood refers to several species of trees known for their dense and hard wood. Commonly found in regions like North America and Australia, these trees are often used in furniture making, flooring, and tool handles due to their durability. The term "ironwood" can apply to various species, including Olea europaea and Casuarina. The wood of ironwood trees is resistant to decay and insect damage, making it a popular choice for outdoor applications. Additionally, ironwood trees can provide important habitats for wildlife, contributing to the ecological balance in their native environments. Their strength and resilience make them a valuable resource in both natural and human-made settings.