trunnel

1 He had learned a lot since then, including the purpose of the wood pegs sticking up from some of the timbers — which conservators call trunnels, or tree nails.

2 Then commences the boarding or timbering of the sides; and for weeks, or months, the builder's maul is heard, as he pounds in the huge trunnels which fasten all together.

3 First, the ground sill is a square of 20 ft., made of yellow pine sticks mortised together and pinned with stout trunnels.

4 For instance, Dr. Riess said, he has found far more iron nails than he would have expected of a ship from this era, and far fewer of the wood fasteners called treenails, or trunnels.

5 They make a dam of loose stone, whereof there is plenty at hand, quite across the river, leaving one, two, or more spaces or trunnels for the water to pass through.

6 She was fastened with 'trunnels,' not spikes and bolts, and hemp rigged.

7 With these tools we went immediately to work, cutting down trees, of which we built a small bark of about eighteen tons, almost entirely fastened with trunnels, having very few nails.

8 This craft of ours was like a small boat—built of soft light wood, with trunnels instead of bolts, and no iron on board except the anchors and one capstan.

1 木钉

peg dowel nog waddy treenail knag