steeve 2 
(stēv) Nautical
(stēv) Nautical n.
The angle formed by the bowsprit and the horizon or the keel.
v. steeved, steev·ing, steeves
v.tr.
To incline (a bowsprit) upward at an angle with the horizon or the keel.
v.intr.
To have an upward inclination. Used of a bowsprit.
[Origin unknown.]