- a three-masted sailing vessel used in the Mediterranean
C17: from either French polacre or Italian polacca Pole or Polish; origin unknown
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Examples from the Web for polacre
She was astern just now, and she is abreast of the polacre now, as near as I can make out.
The capture of the polacre had not been effected so silently.
In fact the polacre seemed in danger of going down every moment.The Knight of Malta
One is a polacre, another a xebec, and the third looks like a full-rigged craft; but as she is end on, I can't say for certain.
The three Spanish vessels had all been edging in towards shore, and the polacre anchored just before sunset.