Webster's 1828 Dictionary
HYSTERICS
n.A disease of women, proceeding from the womb, and characterized by fits or spasmodic affections of the nervous system. A spasmodic disease of the primae viae, attended with the sensation of a ball rolling about the abdomen, stomach and throat.
Webster's 1913 Dictionary
HYSTERICS
HYSTERICS Hys *ter "ics, n. pl. (Med. )
Defn: Hysteria.
American Oxford Thesaurus
hysterics
hysterics plural noun informal 1 a fit of hysterics: hysteria, wildness, feverishness, irrationality, frenzy, loss of control, delirium, derangement, mania. 2 the girls collapsed in hysterics: fits of laughter, gales of laughter, peals of laughter, paroxysms of laughter, uncontrollable laughter, convulsions, fits; informal stitches.
Oxford Thesaurus
hysterics
hysterics plural noun informal 1 she was throwing a fit of screaming hysterics: hysteria, wildness, feverishness, irrationality, frenzy, loss of control, loss of reason; neurosis, delirium, derangement, mania, distress, mental distress; Brit. informal the screaming abdabs /habdabs. ANTONYMS calmness, self-possession. 2 this started them both giggling and they fled upstairs in hysterics: fits of laughter, gales of laughter, peals of laughter, uncontrollable laughter, convulsions, fits, guffawing, howling; informal stitches, hooting; rare cachinnation.
Sanseido Wisdom Dictionary
hysterics
hys ter ics /hɪstérɪks /名詞 〖単複両扱い 〗1 ヒステリーの発作 ; 狂乱状態 ▸ fall into hysterics ヒステリーを起こす 2 ⦅くだけて ⦆爆発的な笑い ▸ in hysterics 笑いころげて