Reese's
noun
noun ·2 syllables ·Rare ·Advanced level
Definitions
Noun
- 1 Synonym of peanut butter cup
Synonyms
All synonymsEtymology
A genericization of the trademark Reese's, a popular brand of peanut butter cup, thus applied to all peanut butter cups.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.