From The Collaborative International Dictionary of English v.0.48:
Repeat \Re*peat"\ (-p?t"), v. t. [imp. & p. p. Repeated; p. pr. & vb. n. Repeating.] [F. r['e]p['e]ter, L. repetere; pref. re- re- + petere to fall upon, attack. See Petition.] [1913 Webster] 1. To go over again; to attempt, do, make, or utter again; to iterate; to recite; as, to repeat an effort, an order, or a poem. "I will repeat our former communication." --Robynson (More's Utopia). [1913 Webster]
Not well conceived of God; who, though his power Creation could repeat, yet would be loth Us to abolish. --Milton. [1913 Webster]
2. To make trial of again; to undergo or encounter again. [Obs.] --Waller. [1913 Webster]
3. (Scots Law) To repay or refund (an excess received). [1913 Webster]
To repeat one's self, to do or say what one has already done or said.
To repeat signals, to make the same signals again; specifically, to communicate, by repeating them, the signals shown at headquarters. [1913 Webster]
Syn: To reiterate; iterate; renew; recite; relate; rehearse; recapitulate. See Reiterate. [1913 Webster]
From The Collaborative International Dictionary of English v.0.48:
Repeat \Re*peat"\ (r?-p?t"), n. 1. The act of repeating; repetition. [1913 Webster]
2. That which is repeated; as, the repeat of a pattern; that is, the repetition of the engraved figure on a roller by which an impression is produced (as in calico printing, etc.). [1913 Webster]
3. (Mus.) A mark, or series of dots, placed before and after, or often only at the end of, a passage to be repeated in performance. [1913 Webster]