/'tju:nɪk; [US] 'tu:-; `tunɪk/
n
1 close-fitting jacket worn as part of a uniform by police officers, soldiers, etc （警察、士兵等的）紧身短上衣.
2 (a) loose (usu sleeveless) outer garment reaching to the knees and sometimes gathered at the waist with a belt, as worn by ancient Greeks and Romans 短袍（长至膝, 通常无袖, 有时束腰, 古代希腊人及罗马人穿用）.
(b) similar hip-length garment with open sleeves worn over trousers or a skirt by women or girls （女用）短上衣（长至臀部, 敞袖, 有时束腰, 罩于裤或裙外）.

n[C]
[Date: 1600-1700; Language: Latin;Origin: tunica]
a long loose piece of clothing, usually without sleeves, worn in the past
a long loose women's shirt, usually worn with trousers
BrE a specially shaped short coat worn by soldiers, police officers etc as part of a uniform