noun

• (clothing) A covering for the head, often in the approximate form of a cone, dome or cylinder closed at its top end, and sometimes having a brim and other decoration.
  "There was a neat hat-and-umbrella stand, and the stranger's weary feet fell soft on a good, serviceable dark-red drugget, which matched in colour the flock-paper on the walls."
• (figuratively) A particular role or capacity that a person might fill.
  "It's all a matter of hats, Minister."
• (figuratively) Any receptacle from which names or numbers are pulled out in a lottery.
• (figuratively) Any receptacle from which names or numbers are pulled out in a lottery.
  "We're both in the hat: let's hope we come up against each other."

verb

• (transitive) To place a hat on.
  "After the maids had hatted and gloved the girls, the carriage was summoned and I was carted around one church after another."
• (transitive) To appoint as cardinal.
  "It was truly a breathtaking rise. From the quiet school, Pope Pius XI had jumped Father Verdier over the heads of innumerable Bishops, made him Archbishop of Paris. Soon he was to be hatted a Prince of the Church and put in charge of the Cathedral of Notre-Dame."
• (intransitive) To shop for hats.
  "We might just go hatting this afternoon […]"

verb

• (Scotland, Northern England or obsolete) simple past of hit

noun

• (medicine, uncountable) Initialism of human African trypanosomiasis.
• (electronics) Initialism of hardware attached on top: a kind of expansion board for the Raspberry Pi computer.