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Webster 1913 Edition

Noun.

(Naut.)

One of the planks next the keel on the outside, which form a garboard strake.

Garboard strake

Garboard streak

the first range or strake of planks laid on a ship’s bottom next the keel.

Totten.

Noun.

The garboard plank, in a ship, is the first plank fastened on the keel on the outside.

Garboard-streak, in a ship, is the first range or streak of planks laid on a ship's bottom, next the keel.