Sentence:  While the hull of the Viking 57 is still curing in the mold, about two weeks into the boat building schedule, workmen install the engine compartment bulkheads and the ' <WSD>'egg-crating</WSD>' ' members, the interlocked wooden framework running fore-and-aft and athwartships. 
Meaning of the word marked with <WSD> tags:  The process of strengthening a hull by multiple support points.