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quadratus Syllabification: qua·dra·tus
Pronunciation: /kwäˈdrādəs/

Definition of quadratus in English:

noun (plural quadrati-ˈdrātˌī)

Any of several roughly square or rectangular muscles, e.g., in the abdomen, thigh, and eye socket.
Example sentences
  • The fourth layer is composed of a single muscle, pronator quadratus, which is not seen at this level.
  • In this section pronator quadratus is thinning and is seen for the last time.
  • The quadratus femoris and obturator externus muscles appear for the first time in this section.


Mid 18th century: from Latin, literally 'made square'.

Definition of quadratus in:
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