A*head" (?), adv. [Pref. a- + head.]

1. In or to the front; in advance; onward.

The island bore but a little ahead of us. Fielding.

"2. Headlong; without restraint. [Obs.] LEstrange."

To go ahead. (a) To go in advance. (b) To go on onward.(c) To push on in an enterprise. [Colloq] -- To get ahead of. (a) To get in advance of. (b) To surpass; to get the better of. [Colloq.]

-- Webster's unabridged 1913