The upper aftermost corner of a fore-and-aft sail; -- used in many combinations; as, peak-halyards, peak-brails, etc.

To raise to a position perpendicular, or more nearly so; as, to peak oars, to hold them upright; to peak a gaff or yard, to set it nearer the perpendicular.

1. The upper aft corner of a square fore-and-aft sail. 2. A compartment in either extreme end of the vessel, bow or stern, referred to as forepeak or afterpeak.

The top back corner of a four-sided sail.

The angle formed by the gaff and mast of a fore-and-aft sail [sic]. To peak up, to raise the after end of a gaff. To ride a stay-peak is when the cable and the fore-stay form a line. To ride a short peak, is when the cable is so much in as to destroy the line formed by the stay-peak. To ride with the yards a-peak, is to have them topped up by contrary lifts, so as to represent St. Andrew's cross.