planform

[ plan-fawrm ]
/ ˈplænˌfɔrm /

noun

the outline of an object viewed from above.

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Origin of planform

First recorded in 1905–10; plan + form
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for planform

planform
/ (ˈplænˌfɔːm) /

noun

the outline or silhouette of an object, esp an aircraft, as seen from above
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012