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Definition of welsh onion

welsh onion

Plural:Welsh onions
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welsh onion Lexical Profile

• noun

1

A perennial species of onion (Allium fistulosum) native to Asia that develops tall, hollow green stalks but does not form a significant underground bulb, widely cultivated for culinary use.

Example

"The chef finely chopped the fresh Welsh onion to use as a garnish for the miso soup."

Word Nuance & Usage

Despite the name, the Welsh onion does not originate from Wales; the word 'Welsh' here retains its archaic meaning of 'foreign'. It is frequently used interchangeably with 'scallion' or 'green onion' in culinary contexts, though botanically it refers specifically to the non-bulbing species Allium fistulosum.

Word Origin & Etymology

The term 'Welsh' derives from the Old English 'welisc' or 'wealh', meaning 'foreign', a term Germanic speakers applied to non-Germanic peoples and items. The plant is native to Asia and was introduced to Europe as a 'foreign' onion.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Welsh onion. In Wordmom Dictionary. Retrieved Oct 14, 2026, from https://wordmom.com/dictionary/welsh onion
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