Tetrapod (noun) Definition, Meaning & Examples

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noun
  1. any vertebrate having four limbs or, as in the snake and whale, having had four-limbed ancestors.
  2. an object, as a caltrop, having four projections radiating from one central node, with each forming an angle of 120° with any other, so that no matter how the object is placed on a relatively flat surface, three of the projections will form a supporting tripod and the fourth will point directly upward.
adjective
  1. having four limbs or descended from four-limbed ancestors.
noun
  1. any vertebrate that has four limbs
  2. a device consisting of four arms radiating from a central point, each at about 109° to the others, so that regardless of its position on a surface, three arms form a supporting tripod and the fourth is vertical
  3. a very large cast concrete structure of a similar shape piled in large numbers round breakwaters and sea defence systems to dissipate the energy of the waves
    Tetrapod (noun) Definition, Meaning & Examples

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