trunnion
n.
"either of two round projections of a cannon," 1620s, from French trognon "core of fruit, stump, tree trunk," from Middle French troignon (14c.), probably from Latin truncus (see trunk).
| 词汇 | trunnion |
| 词根词缀 | Online Etymology Dictionary trunnion n. "either of two round projections of a cannon," 1620s, from French trognon "core of fruit, stump, tree trunk," from Middle French troignon (14c.), probably from Latin truncus (see trunk). |
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