Question of the Day #278

"Heat wave arrives from Chicago to New York at start of week"
From the headline of this article at ABC News.

上記の文で、heat waveの意味は？
In the sentence above, what does "heat wave" mean?

答えは、コメントに書いてください。
Write your answer in the Comments.

明日、ここに答えを書きます。
I will add the answer and other remarks here tomorrow.

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解答

意味：
英辞郎によると、


1. 熱波、暑気団
2. 〔長期間の〕酷暑、猛暑
3. 熱線

例文の場合は、3ではないので、1か2になりますが、突然やってくることを考えると一過性なものと考えて1が適訳でしょう。

Answer

According to Merriam-Webster:

1. a period of unusually hot weather

Etymology/語源

Merriam-Websterによると、

（酷暑の期間）として初めて使用されたのは、1893年。

According to Merriam-Webster:

First Known Use of heat wave
1893

Examples

• The four heat waves were on Aug. 24-Sept. 3, 1953; June 11-21, 1954; July 26-Aug. 5, 1955; and Aug. 19-29, 1959. — Tom Skilling, chicagotribune.com, "Ask Tom: What's the record for consecutive 90-degree days?," 9 July 2018
• Scientists say intermittent underwater heat waves are intensifying, occurring more often and lasting longer because of climate change. — Jacqueline Williams, New York Times, "Great Barrier Reef Imperiled as Heat Worsens Die-Offs, Experts Say," 4 July 2018
• They do not create the climate, any more than a thermometer creates a heatwave. From the Hansard archive 
• The 2003 heatwave claimed tens of thousands of lives.
• "Because, five weeks later, there was a heat-wave in the Red Sea, and everybody took off all the clothes they had." Just So Stories, Rudyard Kipling