nock
美 [nɒk]英 [nɒk]
- n.(弓的)弧口;箭的尾端[扣弦处];【航】帆的前部上端
- v.给(弓)装弧口;搭箭于(弓上)
- 网络搭弓;箭尾;箭尾端搭弦处
复数:nocks 现在分词:nocking 过去分词:nocked

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The lead investigator was Matthew Nock, Ph. D. , an associate professor of social sciences at Harvard University.
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