hat - Dictionary definition and pronunciation - Yahoo! Education
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hat  audio  (ht) KEY 

NOUN:
  1. A covering for the head, especially one with a shaped crown and brim.
    1. A head covering of distinctive color and shape worn as a symbol of office.
    2. The office symbolized by the wearing of such a head covering.
  2. A role or office symbolized by or as if by the wearing of different hats: wears two hatsone as parent and one as corporate executive.
TRANSITIVE VERB:
hat·ted, hat·ting, hats
To supply or cover with a hat.

IDIOMS:
at the drop of a hat
At the slightest pretext or provocation.
hat in hand
In a humble manner; humbly.
take (one's) hat off to
To respect, admire, or congratulate.
talk through (one's) hat
  1. To talk nonsense.
  2. To bluff.
throw/toss (one's) hat into the ring
To enter a political race as a candidate for office.
under (one's) hat
As a secret or in confidence: Keep this information under your hat.

ETYMOLOGY:
Middle English, from Old English hæt, hætt


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