A device or object that turns something aside or redirects its path, like a shield that bounces away projectiles or a curved surface that changes the direction of something.
From Latin 'deflectere' (to bend away) + '-or' (agent suffix). The word emerged in the late 19th century with the development of mechanical devices designed to redirect or divert movement.
Deflectors aren't just science fiction—NASA uses heat deflectors on spacecraft, baseball stadium architects use wind deflectors to affect how far home runs travel, and even your hair deflects water droplets when you tilt your head in the shower.
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