Correct spelling for the English word "gynizus" is [ɡˈa͡ɪnɪzəs], [ɡˈaɪnɪzəs], [ɡ_ˈaɪ_n_ɪ_z_ə_s] (IPA phonetic alphabet).
In bot., applied to the position of the stigma on the column of orchids.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.