balm

Short definition from Wiktionary

Noun

1. 1
   Any of various aromatic resins exuded from certain plants, especially trees of the genus Commiphora of Africa, Arabia and India and Myroxylon of South America.
2. 2
   An aromatic preparation for embalming the dead.
3. 3
   A plant or tree yielding such substance.
4. 4
   Any soothing oil or lotion, especially an aromatic one.
5. 5
   Something soothing.
6. 6
   The lemon balm, Melissa officinalis.
7. 7
   Any of a number of other aromatic herbs with a similar citrus-like scent, such as bee balm and horsebalm.

Verb

1. 1
   To anoint with balm, or with anything medicinal.
2. 2
   To soothe; to mitigate.