plan·form | \ˈplan-ˌfȯrm \

Definition of planform 

: the contour of an object (such as an airplane) or mass as viewed from above

Examples of planform in a Sentence

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The bad news is the tailess, flying wing planform of the X-47B comes with some inherent stability and low speed flying issues that make the take off and landing from an aircraft carrier a real engineering challenge. Jason Paur, WIRED, "Can Killer Drones Land on Carriers Like Human Top Guns?," 3 Nov. 2009

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'planform.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of planform

1908, in the meaning defined above

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The first known use of planform was in 1908

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