Definition of interdigitate in English:


intransitive verb

[no object]
  • (of two or more things) interlock like the fingers of two clasped hands.

    ‘the scales at the shell margins of opposing valves frequently interdigitate’
    • ‘The finger domains can interdigitate into the major groove of the DNA helix.’
    • ‘The dermal joint between the two cranial regions may be straight and simple, or complex and interdigitating.’
    • ‘It could be argued that the chains themselves were partially interdigitating.’
    • ‘They are supposed to be in two rows, which we call biseriate; however, it often is difficult to see a line of separation because of the way they interdigitate.’
    • ‘In the more solid regions, spindle cells are in loose fascicles, which may interdigitate.’



/ˌin(t)ərˈdijətāt/ /ˌɪn(t)ərˈdɪdʒəteɪt/


Mid 19th century from inter-‘between’ + digit+ -ate.