Definition of lingual in US English:



  • 1Anatomy
    Relating to, near, or on the side toward the tongue.

    • ‘The posterior lingual crista runs off the lingual side of the fifth cuspule, following the ridge of a posterolingual bulge.’
    • ‘The later dinocephalians improved on this system by developing heels on the lingual sides of the incisor teeth which met against one another to form a crushing surface when the jaws were shut.’
    • ‘An incipient dentine tract is present on the lingual side of the tooth.’
    • ‘The cingulum, which is strong at the posterior border, thins out in anterior direction along the lingual and buccal sides.’
    • ‘Oral lichen planus is common, mainly occurs after middle age, and typically presents as bilateral white lesions (papules, plaques, or reticular areas) in the buccal and lingual mucosae.’
    1. 1.1 (of a sound) formed by the tongue.
      language-producing, semantic, semasiological
      View synonyms
  • 2Relating to speech or language.

    ‘his demonstrations of lingual dexterity’
    • ‘If there are so many worlds, each rearing their own children, each would be sent into lingual isolation and be able to develop their own languages.’
    • ‘It's consistently lucid, but nearly devoid of the lingual delights and challenges that draw enthusiasts to poetic culture, of any form, in the first place.’
    • ‘Similarities in language that can be traced to an Atlantean lingual root are across the world, not limited to a single continent.’
    • ‘While humans may experience the senses in some fundamental way, lingual evolution comes out of necessity and transition within specific cultures.’
    • ‘In time, the logic of separation will not be limited to religion - there will be divisions demanded along cultural, lingual and ethnic lines.’
    • ‘He then apply sets of lingual rules and filters to ‘distill’ the information.’
    • ‘The beauty in relationships that transcend social and lingual boundaries is wonderfully depicted as Isa dances with locals in an Indian desert.’
    • ‘This may be due to lingual complexities created by terms absorbed from other languages, says Jordan.’


  • A lingual sound.

    • ‘What are the following, and give examples of each: Trigraph, subvocals, diphthong, cognate letters, linguals?’


Mid 17th century: from medieval Latin lingualis, from Latin lingua ‘tongue, language’.