ellipsis
el.lip.sis \i-'lip-s*s, e-\ \-'lip-.se-z\ n or el.lip.ses [L, fr. Gk elleipsis ellipsis, ellipse, fr. elleipein to leave out,] pl fall short, fr. en in + leipein to leave - more at IN, LOAN 1a: the omission of one or more words that can be obviously understood and supplied to make a construction seem more complete (as in "the man he sees" for "the man that he sees") 1b: a leap or sudden passage without logical connectives from one topic to another 2: marks or a mark (as ... or *** or -) showing omission esp. of letters or words
Webster's English Dictionary