Definitions:

1. A European herb with the scientific mane Alliaria petiolata that gets its name from its tendency to grow along hedgerows and in semi-shaded areas. NOUN
   • The herbalists gathered jack-by-the-hedge leaves to create soothing teas.
2. European herb that smells like garlic. NOUN
   • The jack-by-the-hedge provided shelter for small creatures, like field mice and voles.

Synonyms:

• garlic mustard
• hedge garlic
• poor man's mustard