Definition of "blouse"

blouse¹

/blaʊs/

noun
plural blouses
1. (fashion, obsolete) A shirt, typically loose and reaching from the neck to the waist.
2. (fashion) A shirt for women or girls, particularly a shirt with buttons and often a collar; a dress shirt tailored for women.
3. (military fashion) A loose-fitting uniform jacket.
4. (India, Bangladesh) A short garment worn under a sari.
verb
third-person singular simple present blouses, present participle blousing, simple past and past participle bloused
1. To hang a garment in loose folds.
2. (military) To tuck one's pants/trousers (into one's boots).
  Quotations
  An anonymous black soldier summed up his feelings by declaring, "If I fail to blouse my boots, or [if I] wear an Afro, I get socked. […] "
  1989, Bernard C. Nalty, Strength for the Fight: A History of Black Americans in the Military, page 311

blouse²

noun
plural blouses