subentry

/ˈsʌbˌɛntri/
noun
  1. A secondary or subordinate entry within a larger list, index, or database.
    • Each subentry in the glossary provides more detail on a specific term.
    • Look under the subentry for 'past tense' in the grammar guide.
    • The catalog has a main entry for each author and subentries for each book.
What does "subentry" mean? | whatsthatwordmean | whatsthatwordmean