Definition of trigeminus in English:

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Pronunciation: /trʌɪˈdʒɛmɪnəs/

noun (plural trigemini /trʌɪˈdʒɛmɪnʌɪ/)

Each of the trigeminal nerves.
Example sentences
  • The nerves we are going to examine are the overorbital and infraorbital ramifications of the trigeminus.
  • The anatomic path of travel from the nasal mucous membrane to the genitals is through the fifth cranial nerve, or trigeminus which is supremely the ganglionic cranial nerve.
  • To address this question we investigated the development of the N. trigeminus in the Japanese quail.


Late 19th century: from Latin, literally 'three born at the same birth', extended to mean 'threefold'.

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