D defs.my
Entry 1 sense Webster, 1913

Ypsiliform

· Yp·sil·i·form · IPA /ˈɪpsɪlɪˌfɔː(ɹ)m/
01 a. Resembling the � in appearance; -- said of the germinal spot in the ripe egg at one of the stages of fecundation.
  1. 1.
    Resembling the � in appearance; -- said of the germinal spot in the ripe egg at one of the stages of fecundation.(Biol.)