The Collaborative International Dictionary of English v.0.48:
Seafaring \Sea"far`ing\, a. Following the business of a mariner; as, a seafaring man. [1913 Webster]WordNet (r) 3.0 (2006):
seafaring adj 1: used on the high seas; "seafaring vessels" [syn: oceangoing, seafaring, seagoing] n 1: the work of a sailor [syn: seafaring, navigation, sailing] 2: travel by water [syn: water travel, seafaring]