chelydre

== English == === Etymology === From Middle English chelidre, chelyder, chelydre, from Old French chelidre, chelydre, from Latin chelȳdrus (“fetid water serpent”), from Ancient Greek χέλυδρος (khéludros, “amphibious serpent”), from χέλυς (khélus, “tortoise”) + ὕδρος (húdros, “water serpent”). Cognate of French chélydre. === Noun === chelydre (plural chelydres) (obsolete) A fetid water snake. == Latin == === Noun === chelȳdre vocative singular of chelȳdrus