Definition of interfile in English:

interfile

verb

[WITH OBJECT]
  • 1File (two or more sequences) together.

    ‘the index interfiles books and their authors in one alphabetical sequence’
    1. 1.1 File (one or more items) into an existing sequence.
      ‘this index is interfiled with the main card catalog’
      • ‘In both the electronic and print examples, form subheadings are interfiled with topical ones; librarians often separate these.’

Pronunciation

interfile

/ˌin(t)ərˈfīl/