marchˈ-dyke or marchˈ-dike noun

A boundary wall, usu of turf

marchˈlands plural noun

A border area between countries

marchˈman noun

A person living on or near a border

marchˈ-stone noun

A boundary stone

marchˈ-treason noun (historical)

An offence against the laws of the marches, eg raiding the neighbouring country in time of peace

Lord marcher (historical)

A lord who had royal prerogative in, and jurisdiction over, lands in the marches

riding the marches

The old ceremony of riding round the bounds of a town, etc