gut
https://gyazo.com/002742b142001800aec6d50adcabcaf2
source: How gut bacteria may help to spot and address liver disease
noun
1. (also guts) the stomach or belly:
〖～s〗 内臓; ｟くだけて｠ 腹(belly); 太鼓腹
e.g. a painful stabbing feeling in his gut.
Medicine & Biology the lower alimentary canal or a part of this; the intestine:
〖総称的には不可算〗腸(管)(intestine)
e.g. microbes which naturally live in the human gut.
(guts) entrails that have been removed or exposed in violence or by a butcher.
(guts) the internal parts or essence of something:
｟くだけて｠ ; 〖～s〗 (物などの)中心部; (機械などの)心臓部; (問題などの)重要部.
e.g. the guts of a modern computer.
2. often as modifier informal used in reference to a feeling or reaction based on an instinctive emotional response rather than considered thought:
直感, 本能, 感情
e.g. I had a gut feeling that something was wrong
e.g. trusting his gut instinct, he went ahead and made the call
e.g. I could feel it in my guts—he was out there, watching me.
3. (guts) informal personal courage and determination; toughness of character:
｟くだけて｠ ; 〖～s〗 (困難に立ち向かう)根性, ガッツ, 勇気, 決断力
e.g. she had both more brains and more guts than her husband
e.g. you just haven't got the guts to admit it.
4. fiber made from the intestines of animals, used especially for violin or racket strings or for surgical use:
腸線, ガット〘楽器の弦･ラケット･手術用縫合糸などに使用〙
e.g. as modifier : gut strings.
5. a narrow passage or strait.
verb (guts, gutting, gutted) with object
1. take out the intestines and other internal organs of (a fish or other animal) before cooking it.
〈魚など〉のはらわた, 内臓を取る
remove or destroy completely the internal parts of (a building or other structure):
〈火事などが〉〈建物･部屋など〉の内部を破壊する, …を焼き尽くす (!しばしば受け身で) .
e.g. the fire gutted most of the factory.
2. British informal cause (someone) to feel extremely upset or disappointed:
…の根幹を崩す, …を骨抜きにする.
e.g. it guts me to think about what my mother and brother missed out on
e.g. (as adjective gutting) : she described the ruling as absolutely gutting.
PHRASES
bust a gut informal
1. make a strenuous effort: a problem which nobody is going to bust a gut trying to solve.
2. laugh very heartily: his facial expressions and ad libs were enough to get audiences to bust a gut.
—— one's guts out
informal used to indicate that the specified action is done or performed as hard as possible: he ran his guts out and finished fourth.
hate someone's guts
informal feel a strong hatred for someone.
ORIGIN
Old English guttas (plural), probably related to gēotan ‘pour’.