Dead wind

(Naut.) a wind directly ahead, or opposed to the ship's course.
- Knight.

See also: Dead

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Except for a five-day spell of "dead wind," the Nai'a kept a record-breaking pace until -- star-crossed accuracy -- the morning of the 30th day when, a mere 400 km (249 miles) and two days from Tokyo, a dozing Reppy awoke with a jolt.