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light vessel
lightship
vessel designed to carry a signal light of high luminous intensity, and moored or anchored at a designated geographical location to assist maritime navigation
Note 1 to entry: This entry was numbered 845-11-36 in IEC 60050-845:1987.
Note 2 to entry: This entry was numbered 17-681 and 17-671 in CIE S 017:2011.