Lash

Leeward

The side or direction away from the wind — where the wind is blowing toward.

Lee shore

Shoreline lying downwind of the boat; a hazard because the wind will steadily push a disab…

Leeway

The sideways slippage of the hull to leeward caused by the sail's horizontal force compone…

Lubber line

A fixed reference line on a compass card housing that represents the boat's heading, read …

Lifeline

A wire or rope rigged on stanchions around the edge of the deck to help prevent crew from …

Land breeze

A night-time wind caused by land cooling faster than the sea, drawing air from shore out t…