A co-worker and I were talking about what kind of animals we had as pets when we were young. He said he had a sort of turtle, but that he felt "turtle" must not be the right name in English. It's not a 거북이, he insisted: this one is called 자라. So, naturally, we turned to Naver Dictionary for help. Here are the results:
Fascinating. Learned a useful new phrase today: 자라자지. "Turtle dick". The more you know.