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单词 head block
释义

Definition of head block in English:

head block

noun ˈhɛd blɒk

  • 1In a sawmill: a support which holds the log on the carriage while it is being sawn.

  • 2Carriage-building. A part of the frame, usually a block of wood, which connects the fifth wheel with the front of the carriage body. Also attributive in "head block plate". Now chiefly historical.

  • 3In the logging industry: a log placed under the front end of the skids in a skidway so as to raise them. Now rare.

Origin

Late 16th century (in an earlier sense). From head + block.

Definition of head block in US English:

head block

nounˈhɛd blɒk

  • 1In a sawmill: a support which holds the log on the carriage while it is being sawn.

  • 2Carriage-building. A part of the frame, usually a block of wood, which connects the fifth wheel with the front of the carriage body. Also attributive in "head block plate". Now chiefly historical.

  • 3In the logging industry: a log placed under the front end of the skids in a skidway so as to raise them. Now rare.

Origin

Late 16th century (in an earlier sense). From head + block.
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更新时间：2025/7/6 11:35:41