lode UK /ləʊd/US /loʊd/noun 4forms 1phrases 1 noun4 •A vein of metallic ore that lies within definite boundaries, or within a fissure. •A rich source of supply.In recent years, Jack Grieve of the department of English and linguistics at the University of Birmingham in England has embraced Twitter as a bountiful lode for looking at language-use patterns. — 2019 •(dialect) A watercourse. •(no longer used) A way or path; a road. formslodes Phrases with lode mother lodeA large or rich vein of gold or of another precious mineral from which other branches extend.