dog-ear

From Wiktionary

Verb[change]

Plain form
dog-ear

Third-person singular
dog-ears

Past tense
dog-eared

Past participle
dog-eared

Present participle
dog-earing

A page that has been dog-eared
  1. To fold the corner of a book's page.
    I don't like to lend my books to Lisa because she dog-ears the pages.