規 - MEASURE the Circles, They're As Big As Your Eyes

Readings & Meanings:

キ

rule, regulation, compass

Common Usage:

規則

規格

定規

Examples:

校内では規則を守って下さい。

規格外のリンゴが安売りされていた。

授業中しゃべっていたので先生に定規で頭をたたかれた。

Translations:

Within the school grounds please observe the rules.

I was sold a substandard apple at a discount.

The teacher hit me on the head with a ruler for talking in class.

Radical:

見 is the radical, on the right.

Next to 見 is a pictograph of an arrow-like thing that was used to draw a straight line. A smaller piece of wood was attached to this to form a kind of compass for drawing circles.

References:

http://www.kanjinetworks.com/indices/radindex.html
http://www.thejapanesepage.com/node/kanji/ki.htm