浮在水上的,漂浮的,游泳的
Natant \Na"tant\, a. [L. natans, -antis, from swim, v. intens. fr. nare to swim: cf. F. natant.] 1. (Bot.) Floating in water, as the leaves of water lilies, or submersed, as those of many aquatic plants. 2. (Her.) Placed horizontally across the field, as if swimmimg toward the dexter side; said of all sorts of fishes except the flying fish.