The Collaborative International Dictionary
Rosland
Rosland \Ros"land\, n. [W. rhos a meadow, a moor + E. land.] heathy land; land full of heather; moorish or watery land.
Wiktionary
rosland
n. 1 (context UK dialect English) heathland; land full of heather 2 (context UK dialect English) moorish or watery land