hydriform

== English == === Alternative forms === hydraform === Etymology === From hydra +‎ -iform. === Adjective === hydriform (comparative more hydriform, superlative most hydriform) (archaic, zoology) Having the form or structure of a hydra. === References === “hydriform”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC. “hydriform, adj.”, in OED Online ⁠, Oxford: Oxford University Press, launched 2000.