a. [ L. natans, -antis, from swim, v. intens. fr. nare to swim: cf. F. natant. ]
adv. In a floating manner; swimmingly. [ 1913 Webster ]
a. [ L. supernatanus, p. pr. of supernatare to swim above; super above + natare to swim. ] Swimming above; floating on the surface;
[ 1913 Webster ]