The term "tubular" refers to something that has the shape or form of a tube. This can apply to various objects, such as pipes, straws, or even certain types of plants. Tubular structures are often hollow and cylindrical, allowing for the passage of fluids or gases. In engineering and design, tubular shapes are valued for their strength and efficiency. In biology, the term can describe certain anatomical features, like the tubular structures found in the human respiratory system, which help transport air. Additionally, in the context of sports, "tubular" can be used informally to describe something that is excellent or exciting, particularly in surfing culture.