berylline noun 2adjective 1forms 3 noun2 •The berylline color. •berylline hummingbird adjective1 •Beryl-like; having a light blue-green colour.He held out his leg so that I could examine the shackle about his ankle. His berylline flesh was swollen about it, as I have seen the bark of a tree swollen that had grown through an iron ring. — 1981 formsberyllines · more berylline · most berylline