A-sea

adv. 1. On the sea; at sea; toward the sea.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
With the help of the local squire, a voyage is soon afoot (or a-sea) with accompanying seamen, ship's cooks and stowaways taking to the briny aboard the Hispanayiota.
Most people need about two days to recover after being sickened by foods contaminated with what's known as staphylococcal enterotoxin A-SEA. Produced by Staphylococcus aureus, this toxin is a leading cause of foodborne illness worldwide.