Shaped like a spindle; gradually tapering at both ends, as in spindle-shaped objects, cells, or organisms.
From Latin fusus (spindle) and -form (shaped like). Used across biology, anatomy, and marine science to describe elongated, tapered shapes.
Fusiform bodies describe sharks and dolphins—their spindle shape is why they're so fast in water, a hydrodynamic design that engineers copy when building submarines and torpedoes.
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