This is the 3766th most frequent Japanese word.
つる
"つる" can mean "crane" (the bird), "to fish," or "to hang/suspend," depending on context.
In this context, "つる" refers to a vine or creeper plant.
私は木からつるを取った。
I took a vine from the tree.
Here, "つる" is the verb meaning 'to fish or catch'.
釣りが好きなので魚をつるのが得意です。
Since I like fishing, I'm good at catching fish.
In this sentence, "つる" means 'to cramp up' or 'muscle spasm'.