Etymology: Middle English mousere, from mous mouse + ere ear — more at ear
1.
a. or mouse-ear hawkweed : a European hawkweed (Hieracium pilosella) having soft hairy leaves — called also felon herb, mouse bloodwort
b. or mouse-ear everlasting or mouse-ear plantain : an everlasting (Antennaria plantaginifolia) with soft gray leaves — called also cat's-foot
c. : marsh cudweed
2. : forget-me-not 1a
Useful english dictionary. 2012.