1. a small island, especially in a river or near a larger island
Usage: chiefly British
2. flat low-lying land near a river
Usage: chiefly British; dialectal

Examples

• The boat anchored near a small holm in the middle of the river.
• Sheep grazed peacefully on the grassy holm.
• The ancient castle was built on a rocky holm for protection.
• During high tide, the holm was barely visible above water.
• Local fishermen knew every holm and inlet along the coast.
• The holm provided a perfect nesting site for seabirds.