tilde

n. the character ~, type of accent mark, grapheme having many uses

The tilde (~) is a grapheme with several uses. The name of the character comes from Spanish, from the Latin titulus meaning a title or superscription, and is pronounced , in English, or , in Spanish. It was originally written over a letter as a mark of abbreviation, but has since acquired a number of other uses as a diacritic mark or a character in its own right. In the latter capacity (especially in lexicography) it is also sometimes known as the swung dash (usually lengthened to ), twiddle or the squiggle.
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Noun
1. a diacritical mark (~) placed over the letter n in Spanish to indicate a palatal nasal sound or over a vowel in Portuguese to indicate nasalization
(hypernym) diacritical mark, diacritic

n. tilde, the character ~, type of accent mark

n. tilde, the character ~ (Computers), type of accent mark