Lexicon (lĕk’sĭ-kŏn’) is a dictionary or vocabulary. It contains the words and expressions of a language. It can also refer to the collection of terms used in a particular profession or field (e.g., the lexicon of philosophy).
She winced at his response of such a gratuitous “Wow”: it said little for his seizure of her meaning and even less for his lexicon. (The Well-Tempered Sentence by Karen Elizabeth Gordon)
“You are my darling, my d-a-r-l-i-n-g,” said the spelling master to his rapt and evasive pupil as he opened her eyes to a whole lexicon of shame. (The Well-Tempered Sentence by Karen Elizabeth Gordon)
Quotations suggested by our reader Ben.