o. In designations of persons, as living or exercising their functions at sea, as sea-boy, -carpenter, -commander, -fellow, -friend, -robber, etc.; †also occas. quasi-adj., that is a sailor, nautical, as sea-lover, -philosopher, -reader.
1597 Shaks. 2 Hen. IV, iii. i. 27 ― Canst thou (O partiall Sleepe) giue thy Repose To the wet *Sea-Boy, in an houre so rude.
1860 Gen. P. Thompson Audi Alt. cxii. III. 38 ― A Hull sea-boy went to see his master when his time was out.