When students write essays, they often consult dictionary definitions to ensure precise word usage.

I always keep a pocket dictionary in my bag for quick translations.

The graduate student cited examples from the dictionary on historical principles to illustrate how word meanings have shifted over time.

During my stay, my long-haired dictionary—who doubled as my lover and native language tutor—helped me master local idioms and pronunciation.

Whenever he tries to explain anything, he seems to have swallowed a dictionary, rattling off words no one else understands.