Definition

An object used for drawing straight lines and measuring lengths, often marked with units like inches or centimeters.

Example

She used a ruler to draw a straight line on the paper.

Conversation

Could you pass me that ruler over there?

Sure! Do you need it for a drawing?

Yes, I'm trying to measure some lines accurately.

That's a good idea; a ruler always helps with that!

Synonyms & Antonyms

Root Explanation

Ruler → The word originates from the Old French 'reuler' (meaning to rule or govern), which itself comes from the Latin 'regulare' (meaning to direct or control). A ruler is someone who directs or governs.

Memory Tip

Think of someone who 'directs' or 'controls' — that's what a ruler does.

Visually Confused Words