epi

noun

1. 1.A syringe or autoinjector filled with epinephrine, most frequently used for the treatment of acute allergic reactions to avoid or treat the onset of anaphylactic shock.
2. 2.(medical jargon) epinephrine
3. 3.A morphism p such that for any other pair of morphisms f and g, if f \circ p = g \circ p, then f = g.
4. 4.An injection of anaesthetic into the epidural space of the spine, especially associated with pain relief during childbirth.
5. 5.A surgical incision through the perineum made to enlarge the vagina and assist childbirth.