D defs.my
Entry 3 senses Webster, 1913

Tantrum

/tăn'-trəm/ · Tan·trum · IPA /ˈtæn.tɹəm/
01 n. A whim; an affected air.
  1. 1.
    A whim; an affected air.[Colloq. and archaic]
  2. 2.
    A display of ill-humor, especially a demonstration of rage or frustration by shouting or violent physical movements, such as the stamping of feet; called also temper tantrum. It is usually associated with children, but is sometimes seen in adults. Also: temper tantrum
  3. 3.
    A display of anger expressed by irrationally striking out at innocent targets or inanimate objects; as, the governor was so insulted by the article, he threw a temper tantrum and cancelled the ceremony.[fig.]