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brittle star
noun
- any echinoderm of the class Ophiuroidea, having the body composed of a central, rounded disk from which radiate long, slender, fragile arms.
brittle-star
noun
- See basket-starany echinoderm of the class Ophiuroidea , occurring on the sea bottom and having five long slender arms radiating from a small central disc See also basket-star
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Word History and Origins
Origin of brittle star1
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Example Sentences
We saw just now that the brittle-star breaks off its own rays at the slightest alarm.
In fact, they are so ready to do so that it is very difficult indeed to obtain a perfect brittle-star for a museum.
The name brittle-star is also descriptive, since they break off their limbs readily.
Perhaps the Brittle Star has found this dodge useful in escaping from enemies.
Thus, for instance, when a Brittle-star has its nerve-ring severed between each ray, an interesting series of events follows.
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