† group ordern.NauticalObsoleterare a position of ships in a fleet which allows them readily to form designated groups when required.
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1882 G. S. NaresSeamanship (ed. 6) 114 A fleet is said to be in group order when the ships composing each group are so placed as to be able at once to assume group formation in whatever manner the fleet may be disposed, with the ships in line.