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any of the long, stiff hairs that grow on the face of a cat, mouse, etc.
What is a "whisker"?
Whiskers, also known as vibrissae, are specialized hairs that grow on the face and other parts of the body of certain mammals, including cats, dogs, and seals. These sensory hairs are thicker than the other hairs on the body and are deeply embedded in hair follicles surrounded by blood vessels and nerves. Whiskers are used by animals to sense their environment by detecting even the slightest movement, air currents, and vibrations in the surrounding space. They help animals navigate in the dark, detect prey, and avoid predators. Whiskers are particularly important for nocturnal animals, who rely on their sense of touch to find their way around. Some animals can even move their whiskers independently to improve their perception of their surroundings.
a very small distance or space
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