Compare: 枢 vs 枢
枢とまら
extensions on the top and bottom of a door that fit into cavities in the frame (as part of a pivot hinge)
枢とぼそ
cavities in the frame of a door used as part of a pivot hinge
とまら枢
N3Noun
extensions on the top and bottom of a door that fit into cavities in the frame (as part of a pivot hinge)
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