† eˈchinodn.Obsolete (in 1700sekinod) (see quot.). [ < post-classical Latin echinodos (1699 or earlier) < echino- + ancient Greek ὀδούς tooth (see toothn.).]
ΚΠ
1708 Philos. Trans. (Royal Soc.) 26 78Echinodos, The Ekinod or Fossil Tooth of the Sea-Urchin.