onion soup
noun
plural onion soups
: a soup made chiefly with onions and stock or broth
A generous, soul-warming collection of recipes from all over the world (five onion soups among them) …—Richard Sax
especially
: french onion soup
Cite this Entry
“Onion soup.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/onion%20soup. Accessed 30 Aug. 2026.
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