Definition of planform in English:

planform

noun

  • The shape or outline of an aircraft wing as projected upon a horizontal plane.

    • ‘I often wondered why glider manufacturers didn't try to emulate the Mountain or Alpine Chough's planform.’
    • ‘The shadow cast by the craft's planform in the photo dramatizes the strange design.’
    • ‘The two T2 models have the same sizes and planform as the previous Talons, but the air foil is much flatter.’
    • ‘I instantly looked up to see the planform on the lead aircraft (which was breaking left), covering up my entire windshield and half of the canopy!’
    • ‘The planform is similar to that of the Talon, but virtually everything else has changed.’

Pronunciation:

planform

/ˈplanfɔːm/