a mark of punctuation (∼) used in place of a word or part of a word previously spelled out.
Origin of swung dash
First recorded in 1950–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for swung dash
a mark, ~, traditionally used in text to indicate the omission of a word or part of a word
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012