What does the root word quad mean?

The root word "quad" comes from the Latin word "quadri-", which means four.

This root appears in many English words, often referring to something that has four parts or is related to the number four.

Here are some examples:

* Quadrangle: A four-sided figure

* Quadrant: One of four quarters of a circle

* Quadriceps: A muscle in the thigh with four heads

* Quadruped: An animal that walks on four legs

* Quadrennial: Occurring every four years

* Quadruple: To multiply by four

So, whenever you see "quad" in a word, think of "four"!