バットshallow tray (usu. steel or plastic)

バケツで水(みず)をバッとぶちまける。

The provided definition does not seem to fit the context of the sentence. However, a possible translation could be: Splashing water out of the bucket with a swoosh. {shallow tray (usu. steel or plastic)}

子供(こども)たちの名前(なまえ)を呼(よ)んだらバッと集(あつ)まった。

The given definition doesn't align with the Japanese sentence. A more appropriate translation would be: When I called the children's names, they quickly gathered around. {shallow tray (usu. steel or plastic)}

ピストルの合図(あいず)と共(とも)に、選手(せんしゅ)がバッと駆(か)け出(だ)しました。

The translation would not make sense with the provided definition. However, the correct translation for the sentence is: "With the signal of the pistol, the athletes dashed out." {shallow tray (usu. steel or plastic)}

広(ひろ)まってほしくない噂(うわさ)ほど、バッとあっという間(ま)に広(ひろ)まるものです。

The given definitions do not fit the context of the sentence. A more accurate translation would be: "Rumors that you don't want to spread tend to spread quickly and unexpectedly." {shallow tray (usu. steel or plastic)}

アスファルトに水(みず)をバッとまいたら、少(すこ)しだけ体感(たいかん)温度(おんど)が下(さ)がりました。

The given sentence does not contain any context or phrase that could be translated using the provided definition of "shallow tray (usu. steel or plastic)". However, the sentence translates to: "When I splashed water on the asphalt, the perceived temperature dropped a little." {shallow tray (usu. steel or plastic)}