Source : Webster's Revised Unabridged Dictionary (1913)

Seafaring \Sea"far`ing\, a.
   Following the business of a mariner; as, a seafaring man.

Source : WordNet®

seafaring
     adj : used on the high seas; "seafaring vessels" [syn: {oceangoing},
            {seagoing}]
     n 1: the work of a sailor [syn: {navigation}, {sailing}]
     2: travel by water [syn: {water travel}]