Noun > Compass

Noun – Compass

1 (count) : a device that is used to find direction by means of a needle that always points north

He always carries a compass when he walks in the woods.

Guests arrived from all points of the compass. (=directions)

2 (count) : something that helps a person make choices about what is right, effective, etc.

His religion is the compass that guides him.

Interest rates serve as a compass for determining whether to buy or sell stocks.

The character in the movie had no moral compass to tell him that stealing was wrong.

3 a (count) : a tool that consists of two pointed sticks joined at the top and that is used for measuring distances — often plural

a pair of compasses (=dividers)

3 b (count) : a tool that consists of a pen or pencil attached to a pointed stick and that is used for drawing circles

4 (noncount) : a specialized area of knowledge, skill, experience, etc. — often used after beyond or within

That topic falls beyond the compass (=beyond the scope) of my research.