LEEBOARD

Etymology

Noun

leeboard (plural leeboards)

(nautical) A board, or frame of planks, lowered over the side of a sailboat to lessen its leeway.

Anagrams

• erodable, redoable

Source: Wiktionary

Lee"board`, n.

Definition: A board, or frame of planks, lowered over the side of a vessel to lessen her leeway when closehauled, by giving her greater draught.

Source: Webster’s Unabridged Dictionary 1913 Edition