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. When learning the kanji, you didn't learn that reading, so here's a mnemonic to help you with this word:
Your relentless search for evidence has finally uncovered the existence of a car sheep (あかし)! It's a bizarre hybrid, having a car's body but a sheep's head and legs. "Ah, car sheep! I've finally found the evidence proving you're real!"