tin hat noun & adjectival phr. [tɪn 'hat] slang.
E20.[from TIN adjective + HAT noun.]A. noun phr. A metal hat;
esp. (
Military) a protective steel helmet.
E20.put the tin hat on =
put the lid on,
put the tin lid on s.v.
LID noun.
b. adjectival phr. In
pl. Drunk. Chiefly
Military.
E20. ■ tin-hatted adjective wearing a metal helmet or helmets
E20. [TahlilGaran] English Dictionary ▲