a rolled metal beam the web of which is first divided by a lengthwise zigzag cut, then welded together so as to join the peaks of both halves, thus increasing its depth and strength.
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What does “clement” mean?
Origin of castellated beam
First recorded in 1670–80
Words nearby castellated beam
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020