- a formation of waves running in a direction opposite to that of a vessel.
Origin of head sea
First recorded in 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for head sea
Pitching heavily to a head-sea, and making but little head-way.
A ship is said to be "diving into it" when she pitches heavily against a head-sea.
It is a similar, or the same action in force as in a head-sea.
The head-sea, in little, splashy waves, began to fill my canoe.Voyage of the Paper Canoe
Nathaniel H. Bishop
The head-sea we could dispense with, as it makes us all very uncomfortable.A Voyage in the 'Sunbeam'
Annie Allnut Brassey
- a sea in which the waves run directly against the course of a ship
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012