We found 3 dictionaries that define the word welsh onions:

General (3 matching dictionaries)

1. Welsh onions: Vocabulary.com
2. Welsh onions: Wiktionary
3. Welsh onions: TheFreeDictionary.com

(Note: See welsh_onion as well.)

Definitions from Wiktionary (Welsh onion) ▸ noun:  A species of onion (Allium fistulosum). ▸ Also see welsh_onion ▸ Words similar to welsh onions ▸ Usage examples for welsh onions ▸ Idioms related to welsh onions ▸ Wikipedia articles (New!) ▸ Words that often appear near welsh onions ▸ Rhymes of welsh onions ▸ Invented words related to welsh onions