Shape
Appearance, Form
noun, suffix
The kanji and the word are exactly the same. That means they share meanings as well.
Since this word is made up of a single kanji, it should use the kun'yomi reading. You haven't learned this reading yet, so here's a mnemonic to help you:
You really want to eat food that's in neat shapes, so you decide to use a cutter (かた) on your cheese (ち) to make it a new shape. Square cheese is so boring. After you cut it up you have mouse shaped cheese! It just tastes better like that.
今日のおにぎりの形は丸です。
The shape of today's rice ball is round.
ふじ山の形は、左右同じで、とてもきれいです。
The shape of Mt. Fuji is the same on both sides and is very beautiful.
この花、魚みたいな形をしていますね。
This flower is shaped like a fish.