おっと

• (Tokyo) お​っと [óꜜttò] (Atamadaka – [1])[1]
• IPA^(key): [o̞t̚to̞]

Reading of various terms spelled in kanji.

おっと (rōmaji otto)

1. 夫, 良人: one's own husband
2. 音: (rare reading) a sound

• (Tokyo) おっと [òttó] (Heiban – [0])[1]
• IPA^(key): [o̞t̚to̞]

Derived as a general exclamation of surprise. Compare English whoops, oops.

おっと (rōmaji otto)

1. oops, whoops, whoa, oh no, oh my
   • 2002 September 17, Katou, Motohiro, “災さい厄やくの男おとこ [Bummer Guy]”, in Ｑ.Ｅ.Ｄ. 証しょう明めい終しゅう了りょう [Q.E.D. Quod Erat Demonstrandum], volume 13 (fiction), Tokyo: Kodansha, →ISBN, page 96:

     おっと失 (しつ)礼 (れい)　日 (にっ)本 (ぽん)人 (じん)はあまりこういうあいさつをしないんですよね　私 (わたし)の国 (くに)では「ハグ」といって日 (にち)常 (じょう)的 (てき)にやるものなんですけど

     Otto shitsurei Nipponjin wa amari kō iu aisatsu o shinai n desu yo ne Watashi no kuni de wa “hagu” to itte nichijōteki ni yaru mono nan desu kedo

     Whoops, sorry. Japanese people aren’t really used to greetings like this. It’s called a “hug” and it’s very common in my country.