Definition

A shape with four sides that are not parallel, or a specific bone in the wrist located at the base of the thumb.

Example

The trapezium bone helps in the movement of the thumb.

Conversation

Have you ever heard of a trapezium?

Yeah, I learned about it in math class; it's a shape with no parallel sides.

That's right! I remember it being a bit tricky to draw accurately.

Definitely! But once you get the hang of it, it’s not too bad.

Synonyms & Antonyms

Root Explanation

**Trapezium** → It is derived from the Greek word "trapezion" (meaning little table), which is a diminutive form of "trapeza" (meaning table). The term refers to a four-sided figure, resembling a table shape, particularly in geometry.

Memory Tip

Imagine a little table ('trapezion') with four sides — that's how you can remember that a trapezium is a four-sided shape.

Visually Confused Words