I. bloom·er ˈblü-mər noun
Date: 1727
1. : a plant that blooms
2. : a person who reaches full competence or maturity
he was a late bloomer as a writer
3.
[ blooming ]
: a stupid blunder
II. bloo·mer ˈblü-mər noun
Etymology: Amelia Bloomer
Date: 1851
1. : a costume for women consisting of a skirt over long loose trousers gathered closely about the ankles
2. plural
a. : full loose trousers gathered at the knee formerly worn by women for athletics
b. : underpants of similar design worn chiefly by girls and women