repetition

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun The act or process or an instance of repeating or being repeated.
• noun A recitation or recital, especially of prepared or memorized material.

from The Century Dictionary.

• noun The act of repeating, in any sense; iteration of the same act, word, sound, or idea.
• noun Ye haue another sort of repetition when in one verse or clause of a verse ye iterate one word without any intermission, as thus: It was Maryne, Maryne that wrought mine woe.
• noun That which is repeated.
• noun Remembrance; recollection.
• noun In Scots law, repayment of money erroneously paid.
• noun Specifically, in music, the rapid reiteration or repercussion of a tone or chord, so as to produce a sustained effect, as upon the pianoforte and other stringed instruments.
• noun Same as repeating action (which see, under repeat).
• noun in mathematics, a partition in which a number occurs r times. Thus, 2 + 2 + 2 + 5 is a repetition of 3.
• noun Synonyms and See recapitulate and pleonasm.

from the GNU version of the Collaborative International Dictionary of English.

• noun The act of repeating; a doing or saying again; iteration.
• noun Recital from memory; rehearsal.
• noun (Mus.) The act of repeating, singing, or playing, the same piece or part a second time; reiteration of a note.
• noun (Rhet.) Reiteration, or repeating the same word, or the same sense in different words, for the purpose of making a deeper impression on the audience.
• noun (Astron. & Surv.) The measurement of an angle by successive observations with a repeating instrument.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun The act or an instance of repeating or being repeated.
• noun weightlifting : The act of performing a single, controlled exercise motion; also called a rep. A group of repetitions is a set.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun an event that repeats
• noun the act of doing or performing again
• noun the repeated use of the same word or word pattern as a rhetorical device