a yard on the lower mast of a square-rigged foremast of a ship used to support the foresail. · a yard on the lowest spar of the foremast of a topsail schooner used to hold out the clews of the topsail or lower topsails. · a yard forming the main lower mast of a ketch or yawl used to support a square course. Found on https://www.infoplease.com/dictionary/foreyard