Broad Mayne or Main-Martel, a parish in Dorsetshire, 4 miles SE of Dorchester, under which it has a post, money order, and telegraph office. Acreage, 997; population, 479. The living is a rectory annexed to the rectory of West Knighton in the diocese of Salisbury. The church is dedicated to St Martin. There is also a Wesleyan chapel. The industry is chiefly agricultural; there are also brickfields in the parish.