To suspend floating without attachment in the air, or in space.

transitive. To hold or carry in equilibrium; to hold balanced in the hand, on the head, etc.; to carry steadily or evenly; to hold in position…

To hold, or cause to be held up, without attachment; = hang, v. 1d.

transitive. To keep from sinking (in a fluid), to keep afloat; transferred to keep up, support, sustain. (Usually with up.)

To steady (a body under the influence of opposing forces); to poise, keep steady or erect.