transitive. To insert the keystone in (an arch).
单词 | θ228971 |
释义 | society > leisure > the arts > visual arts > architecture > arch > [verb (transitive)] > insert keystone into (2) key1735 transitive. To insert the keystone in (an arch). to key in1751 transitive. To insert the keystone in (an arch). Cf. sense 5. Now rare. |
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