Herbal Glossary
Herbal Glossary: Simple Definitions for Everyday Natural Living
Last updated: April 2026
Herbal language can feel overwhelming when you’re first exploring natural wellness. This glossary explains the most common terms you’ll see in herbal books, recipes, and home remedies, written in clear, everyday language. Whether you’re making teas, infused oils, or building your home apothecary, these definitions will help you understand the basics with confidence.
Table of Contents
Medicinal Herbal Actions
Adaptogen — Helps the body respond to stress and maintain balance over time. Examples: ashwagandha, holy basil.
Nervine — Supports the nervous system; can be calming or toning. Examples: chamomile, oatstraw.
Carminative — Eases gas, bloating, and digestive discomfort. Examples: fennel, ginger.
Astringent — Tightens and tones tissues; useful for skin and gums. Examples: yarrow, witch hazel.
Anti‑inflammatory — Helps reduce inflammation. Examples: turmeric, calendula.
Antispasmodic — Relaxes muscle spasms (digestive or menstrual). Examples: cramp bark, peppermint.
Expectorant — Helps loosen and expel mucus. Examples: mullein, elecampane.
Demulcent — Soothes irritated tissues, especially throat and digestion. Examples: marshmallow root, slippery elm.
Emollient — Moisturizes and softens skin externally. Examples: calendula, plantain.
Vulnerary — Supports skin healing. Examples: calendula, comfrey (external only).
Botanical & Plant Terms
Botanical — Any plant‑derived material used for culinary, aromatic, or practical purposes.
Herb — Plants used for food, medicine, or fragrance.
Root / Rhizome — Underground plant parts used for deeper actions. Examples: ginger (rhizome), burdock (root).
Infusion — Hot‑water steeping of leaves, flowers, or soft plant parts.
Decoction — Simmering tougher plant parts like roots or bark.
Tincture — Concentrated herbal extract made with alcohol or glycerin.
Infused Oil — Herbs steeped in oil for skin care or salves.
Hydrosol — Gentle aromatic water from essential oil distillation.
Essential Oil — Highly concentrated plant compounds; use with caution.
Poultice — Crushed herbs applied directly to the skin.
Compress — Cloth soaked in herbal tea and applied externally.
Home & Body Use
Salve / Balm — Oil and beeswax blend for skin support.
Liniment — Alcohol‑based topical preparation for sore muscles.
Syrup — Sweetened herbal preparation for throat soothing.
Oxymel — Vinegar + honey herbal blend, traditionally for respiratory support.
Aromatic — Herbs used for scent or mood (lavender, rosemary).
Potpourri — Dried botanicals for fragrance.
Simmer Pot — Herbs and spices simmered to scent the home naturally.
Safety & Usage Basics
Contraindication — A situation where an herb should not be used.
Dosage Form — The way an herb is prepared (tea, tincture, capsule).
Therapeutic Range — The amount where an herb is effective but safe.
Herb‑Drug Interaction — When an herb affects how a medication works.
Patch Test — Small skin test to check for sensitivity.
GRAS — “Generally Recognized as Safe” — common food‑use herbs.
Culinary Botanicals
Culinary Herb — Plants used for flavoring food (basil, thyme).
Spice — Seeds, bark, or roots used for flavor (cinnamon, cloves).
Herbal Tea / Tisane — Caffeine‑free infusion of herbs or flowers.
Bitters — Herbs that stimulate digestion. Examples: dandelion root, gentian.
Traditional & Historical Terms
Folk Use — Traditional uses passed down through generations.
Doctrine of Signatures — Old belief that a plant’s appearance indicated its use (historical only).
Apothecary — Historical term for herbal medicine preparation.