BOSHESTON, a parish in the district and county of Pembroke; on the coast, 5 miles S by W of Pembroke, and 7½ S of New Milford r. station. It has a post office under Pembroke. Acres, 1,666. Real property, £1,091. Pop., 254. Houses, 54. Limestone cliffs on the coast are pierced with caverns, and show very striking forms. The largest cavern, called Bosheston-mere, runs inland more than ¼ of a mile; terminates in a narrow vertical aperture; is lashed by the waves, in a storm, with tumultuous noise; and sometimes ejects, from its terminal aperture, a column of foam 40 feet high, resembling the Iceland geysers. The hermitage and well of St. Govan, The Sir Gawaine of fable, the nephew of King Arthur, are in the vicinity of the mere. The living is a rectory in the diocese of St. Davids. Value, not reported. Patron, the Earl of Cawdor.

(John Marius Wilson, Imperial Gazetteer of England and Wales (1870-72))