Anyone know any random everyday words we should all know?

I%26#039;m talking about the stuff we do everyday or a certain part of us that we look at or are apart of everyday that it%26#039;s like no one knows the name of. I want to learn some of them! Like, for example, I know that the little half-moon on your fingernail is called a lunula, the indent part between your upper lip nose is a philtrum, and the end of your shoe lace is called an aglet. Anyone know any more?

Anyone know any random everyday words we should all know?
Here are a few:





-- The ridges on the sides of coins are called %26quot;reeding%26quot; or %26quot;milling%26quot;.





-- The ball on top of a flagpole is called the %26quot;truck%26quot;.





-- The side of a hammer is a %26quot;cheek%26quot;.





-- The loop on a belt that holds the loose end is called a %26quot;keeper%26quot;.





-- The %26quot;glair%26quot; is the white or clear part of an egg. The word glair comes from the Latin clarus, meaning %26quot;clear%26quot;.





-- %26quot;Corduroy%26quot; comes from the French %26quot;cord du roi%26quot; or %26quot;cloth of the king.%26quot;



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