A proper lookout on a vessel is some one In a favorable position to see, stationed near enough to the helmsman to communicate with him, and to receive communications from bim, and exclusively employed in w’atchiug the movements of ves-sels which they are meetlug or about to pass. The Genesee Chief v. Fitzhugh, 12 How. 462, 13 L. Ed. 1058
Source: Black’s Law Dictionary 2nd Ed (1910)
