“aloft” – English explanatory dictionary

adv high in the air. Antonym below

( 115), adv. [Pref. a- + loft, which properly meant air. See Loft.]
1. On high; in the air; high above the ground. ´He steers his flight aloft.´ Milton.
2. (Naut.) In the top; at the mast head, or on the higher yards or rigging; overhead; hence (Fig. and Colloq.), in or to heaven.

prep. Above; on top of. [Obs.] “Fresh waters run aloft the sea.
Holland.”