1. a bat
Usage: archaic; dialectal

Examples

• The old farmer called the creature in his barn a rearmouse.
• In medieval texts, the rearmouse was often mentioned alongside other nocturnal animals.
• The rearmouse hung upside down from the cave ceiling.
• Children were frightened by stories of the rearmouse flying at night.
• The naturalist used the term rearmouse in his historical account of local wildlife.