thole pin

thole-pin的词性：
n.Nautical （名词）【航海】

1. A wooden peg set in pairs in the gunwales of a boat to serve as an oarlock.
桨栓：为固定船而在桨船舷上缘成对设的木栓

thole-pin的词源：

2. Middle English tholle
中古英语 tholle

3. from Old English thol * see teu…-
源自 古英语 thol *参见 teu…-