Symmetrical means having parts that match or mirror each other across a dividing line or around a center point. If you could fold something symmetrical in half, both sides would line up perfectly, like matching puzzle pieces.

Think about a butterfly's wings: they're symmetrical because the left wing mirrors the right wing. Your own face is roughly symmetrical, with one eye, ear, and cheek on each side. Many buildings are symmetrical too, with identical windows and doors on both sides of a central entrance.

In math and art, symmetry creates a sense of balance and order. When you draw a heart shape, you're creating something symmetrical. Snowflakes are famous for their intricate symmetrical patterns, with six matching arms radiating from the center.

The opposite is asymmetrical, which means unbalanced or uneven. A symmetrical design often feels calm and organized, while an asymmetrical one might feel more dynamic or surprising. Artists and architects sometimes choose symmetry to create harmony, or deliberately break it to catch your attention.