What does amniotic mean?
The definition of amniotic
Am`ni*ot”ic, a.
Etym: [Cf. F. amniotique.] (Anat.)

Of or pertaining to the amnion; characterized by an amnion; as, the amniotic fluid; the amniotic sac. Amniotic acid. (Chem.) [R.] See Allantoin.