ocean station vessel
Also found in: Acronyms.
ocean station vessel[′ō·shən ¦stā·shən ‚ves·əl]
A vessel assigned to patrol at a specified geographical position on the ocean; such vessels are specially equipped to make comprehensive meteorological and some oceanographic observations, and to provide meteorological observations, navigation assistance, and other services to transiting aircraft.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.