nival,a.rare.|ˈnaɪvəl| [ad. L. nivālis, f.niv-, nix snow: see -al1.] a. (See quot. 1656.) b. Growing among snow. 1656Blount Glossogr., Nival, pertaining to Snow, white or cold like Snow, snowy.1894Science IV. 475 Monte Rosa contains the richest nival flora.