Braces syntax in JavaScript meaning. What is it called?

Why is celciusToFahrenheit in braces? What does it mean in JavaScript?

/* celsius-to-fahrenheit.js */
const { celsiusToFahrenheit } = require('./converters.js');
 
const celsiusInput = process.argv[2]; 
const fahrenheitValue = celsiusToFahrenheit(celsiusInput);
 
console.log(`${celsiusInput} degrees Celsius = ${fahrenheitValue} degrees Fahrenheit`);