Hy"phen (?), n. [L., fr. Gr. &?;, fr. &?; under one, into one, together, fr. &?; under + &?;, neut. of &?; one. See Hypo-.] (Print.) A mark or short dash, thus [-], placed at the end of a line which terminates with a syllable of a word, the remainder of which is carried to the next line; or between the parts of many a compound word; as in fine- leaved, clear-headed. It is also sometimes used to separate the syllables of words.

Hy"phen, v. t. [imp. & p. p. Hyphened (?); p. pr. & vb. n. Hyphening.] To connect with, or separate by, a hyphen, as two words or the parts of a word.

• Symbol "-", typically used to join two related words to form a compound noun, or to indicate that a word has been split at the end of a line.