strongback

Noun

Meaning

(nautical) The fore-and-aft spar extending from stem to stern on a lifeboat and serving as a raised spreader for a boat cover. (FM 55-501)

(nautical) A strong bar placed across a hatch opening to hold hatch boards or hatch covers. (FM 55-501)

(carpentry) A load-bearing post with a T-shaped cross-section, where the short T-tail prevents bowing of the long post.

(sculpture) A backing pole used to reinforce and stabilize vertically-oriented sculptures.

(space science) A vertical structure used to support and stabilize a rocket, often hosting fuel and power umbilical connections. Usually retracted immediately before launch.

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