Lazy jacks

A network of light lines running from the upper mast down to the boom that cradles the mainsail as it is lowered, stopping it from spilling onto the deck.

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Related L-terms

Leeway

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

Luff

(1) The leading edge of a sail. (2) The fluttering of a sail caused by pointing the boat t…

Lay

To sail a course that will clear a mark or obstacle without an additional tack.

Lazarette

A stowage locker let into the cockpit sole, seats, or afterdeck.

Lazy sheet

The jib sheet on the windward side that is slack while the leeward sheet takes the load.

Life raft

A self-inflating, canister- or valise-packed survival craft launched in an abandon-ship si…

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