verb (past and past participlere·du·pli·cat·ed, present participlere·du·pli·cat·ing, 3rd person present singularre·du·pli·cates)
Definition:
1. transitive and intransitive verb repeat or double: to repeat or double something, or be repeated or doubled
2. transitive verb linguistics repeat speech sound: to repeat a vowel, syllable, or word in order to create a new linguistic element or word such as "wishy-washy" or "goody-goody"
adjective
Definition:
1. linguistics repeated: repeated in order to create a new word or other linguistic element
2. botany curving inward: describes leaves or petals that have their edges curved inward
[Late 16th century. < late Latin reduplicat-, past participle of reduplicare< Latin duplicare (see duplicate)]