/rep"i tend', rep'i tend"/ , n.
1. Math. the part of a repeating decimal that is repeated, as 1234 in 0.123412341234. ...
2. Music. a phrase or sound that is repeated.
3. Pros. a word, phrase, line or longer element that is repeated, sometimes with variation, at irregular intervals in a poem.
[ 1705-15; repetendum that which is to be repeated, neut. ger. of repetere to REPEAT ]