Webster's Revised Unabridged Dictionary · 1913

Aloft

Aloft (?; 115) , adverb

[Prefix 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.
(Nautical) In the top; at the mast head, or on the higher yards or rigging; overhead; hence (Figuratively and Colloq.), in or to heaven.

Aloft , preposition

Above; on top of. [Obsolete]
Fresh waters run aloft the sea. — Holland