what does underscore mean
Underscore. The underscore is a character that originally appeared on the typewriter and was primarily used to underline words. To produce an underlined word, the word was typed, the typewriter carriage was moved back to the beginning of the word, and the word was overtyped with the underscore character.iktionary (0.00 / 0 votes) Rate this definition: underscore (Noun). An underline; a line drawn or printed beneath text; the character. underscore (Noun). A piece of background music. underscore (Verb). To underline; to mark a line beneath text. underscore (Verb). To emphasize or draw attention to.