hat Definition

hat
noun

1. A covering for the head, usually worn out of doors.
2. colloq
A role or capacity.
Example: wearing her vet's hat

verb

hatted, hatting
1. To provide someone with a hat or put a hat on someone.

Derivative: hatless
adj

Idiom: a bad hat

colloq
An unscrupulous person.

Idiom: at the drop of a hat

See under drop.

Idiom: keep something under one's hat

colloq
To keep it secret.

Idiom: my hat!

An exclamation expressing surprise or disbelief.

Idiom: old hat

colloq
So well known, familiar, etc as to be tedious and uninteresting.

Idiom: pass the hat round (send the hat round)

To collect money for a cause.

Idiom: take one's hat off to someone

colloq
To admire or praise them, especially for some particular achievement.

Idiom: talk through one's hat

To talk nonsense.

To deceive or bluff.

Idiom: throw one's hat into the ring

See under ring¹.

Idiom: wear several hats (wear another hat)

To act in several roles or capacities.

Etymology: Anglo-Saxon hæt.