1. Tansy-scented Eurasian perennial herb with buttonlike yellow flowers; used as potherb or salad green and sometimes for potpourri or tea or flavouring; sometimes placed in genus Chrysanthemum
   - costmary, alecost, bible leaf, mint geranium, Tanacetum balsamita, Chrysanthemum balsamita

Derived forms: balsam herbs

Type of: herb, herbaceous plant

Part of: genus Tanacetum, Tanacetum

• sour
• sour bread
• sour cherry
• sour cherry tree
• sour cream
• sour dock
• sour fig
• sour gourd
• sour grapes
• sour grass
• sour gum
• sour mash
• sour mash whiskey
• sour milk
• sour orange
• sour salt
• sour-gum family
• sour-tasting
• sourball
• source
• source book
• source code
• source language
• source materials
• source of illumination