Wiktionary
wave dash
n. The character 〜, that serves as a punctuation mark in Japanese.
Wikipedia
Wave dash
Wave dash (, Unicode U+301C) is a fullwidth character represented in Japanese character encoding, usually used to represent a range.
Vertical wave dash ( 16px )Wave dash is also written in vertical text layout. Vertical wave dash is the vertical form by rotation and flip in Unicode and JIS C 6226.
Usage examples of "wave dash".
Again, he saw a blue wave dash with such thunderous force against a gray obstruction that it seemed to clear the earth of it and leave nothing but trampled sod.