noun, often attributive

Definition of nailhead

  1. 1a :  the usually flattened boss that forms the end of a nail opposite to the point b :  an ornament suggesting a nailhead a belt studded with enamel nailheads nailhead taffeta

  2. 2 :  nail-headed molding; also :  one of the pyramids forming such molding

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a rounded knoll or a ridge of ice

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