Kedge

Knot

One nautical mile per hour — the standard unit of speed at sea.

Knockdown

A severe knock in which the boat is blown onto her side far enough that a spreader dips in…

Kedge off

To refloat a grounded vessel by laying a kedge anchor in deeper water and hauling the boat…

Kevlar

An aramid fibre used in high-performance laminate sails and safety gear; it is strong and …

Keel

The weighted vertical fin beneath the hull that resists leeway and, through its ballast, k…

Ketch

A two-masted rig whose shorter mizzen mast stands forward of the rudder post and is shorte…