1. Taking place before the start of an aircraft flight

Encyclopedia: Preflight

• froth at the mouth
• frothily
• frothiness
• frothing
• frothy
• frottage
• frotteur
• froufrou
• frow
• froward
• frown
• frown line
• frown on
• frown upon
• frowning
• styptic
• styptic weed
• Styracaceae
• styracosaur
• styracosaurus
• styrax
• styrax family
• Styrax japonicum
• Styrax obassia
• Styrax texana