Essential oils can become more powerful therapeutically when blended correctly These blends are known as synergies. A synergy is a mix or blend of essential oils all similar in therapeutic properties and chemical families.
Definition of nightingale for English Language Learners. : a small brown European bird that sings a beautiful song especially at night.
Answer Wiki. Birds can represent death (or rather, the way they act can). Although it's an abstract way of thinking that hasn't really been used for a long time! I don't know any Witches that feel there is still significance in it, but if you would like to know- here's what I know of this!