Definition of medial in English:

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Pronunciation: /ˈmiːdɪəl/


1Situated in the middle, in particular:
Example sentences
  • Not until after midnight, in an eerie twilight, do we sideslip around a medial moraine and discover two gigantic black holes in the silver glacier.
  • A medial moraine is a strip of morainal debris in the middle of glacier ice which marks where two glaciers come together.
1.1 Anatomy & Zoology Situated near the median plane of the body or the midline of an organ: a medial ligament The opposite of lateral.
More example sentences
  • The deep branch innervates the quadriceps muscle, knee joint, and medial ligament.
  • With immobilization, the tight medial and posterior tarsal ligaments tend to yield.
  • These fibers are named the medial and lateral patellar ligaments.
1.2 Phonetics (Of a speech sound) in the middle of a word: a medial consonant
More example sentences
  • Epenthesis also occurs after medial m in some words: for example, Latin camera and numerus became French chambre and nombre, English chamber and number.
  • A total of 15 items were included on this task requiring students to delete initial, medial, and final phonemes from words.
  • Children were asked to remove phonemes from the beginning or medial portions of one-, two-, and three-syllable words.
1.3 Phonetics (Of a vowel) pronounced in the middle of the mouth; central.



Example sentences
  • It passes anteriorly and medially through the upper part of the extensor digitorum longus muscle to the interval between that muscle and the tibialis anterior.
  • The anterior nuclear group is situated more medially.
  • On physical examination, a prominence may be appreciated medially and laterally to the Achilles tendon insertion.


Late 16th century (in the sense 'relating to the mean or average'): from late Latin medialis, from Latin medius 'middle'.

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