'Embryonal' definitions:

Definition of 'embryonal'

(from WordNet)
adjective
Of an organism prior to birth or hatching; "in the embryonic stage"; "embryologic development" [syn: embryonic, embryologic, embryonal]

Definition of 'Embryonal'

From: GCIDE
  • Embryonal \Em"bry*o*nal\, a. (Biol.) Pertaining to an embryo, or the initial state of any organ; embryonic. [1913 Webster]