1. (Science: botany) floating in water, as the leaves of water lilies, or submersed, as those of many aquatic plants.
2. Placed horizontally across the field, as if swimmimg toward the dexter side; said of all sorts of fishes except the flying fish.
Origin: L. Natans, -antis, from swim, v. Intens. Fr. Nare to swim: cf. F. Natant.