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v. re·ferred, re·fer·ring, re·fers
1. To direct to a source for help or information: referred her to a heart specialist; referred me to his last employer for a recommendation.
2. To submit (a matter in dispute) to an authority for arbitration, decision, or examination.
3. To direct the attention of: I refer you to the training manual.
a. To assign or attribute to; regard as originated by.
b. To assign to or regard as belonging within a particular kind or class: referred the newly discovered partita to the 1600s. See Synonyms at attribute.
a. To relate or pertain; concern: questions referring to yesterday's lecture.
b. To serve as a descriptor or have as a denotation: The word chair refers to a piece of furniture.
2. To speak or write about something briefly or incidentally; make reference: referred during our conversation to several books he was reading.
3. To turn one's attention, as in seeking information: refer to a dictionary.
[Middle English referren, from Old French referer, from Latin referre : re-, re- + ferre, to carry; see bher- in Indo-European roots.]
ref′er·a·ble (rĕf′ər-ə-bəl, rĭ-fûr′-) adj.
Usage Note: Some people consider the phrase refer back to be redundant, since refer contains the prefix re-, which was brought into English from Latin and originally meant "back." But such an argument is based on what linguists call the "etymological fallacy"—the assumption that the meaning of a word should always reflect the meanings of the words, roots, and affixes from which it was derived. In fact, most words change their meanings over time, often to the point where their historical roots are completely obscured. Such change is natural and usually goes unnoticed except by scholars. We conduct inaugurations without consulting soothsayers (augurs), and we don't necessarily share bread (pānis in Latin) with our companions. In fact, refer is quite often used in contexts that don't involve the meaning "back" at all, as in The doctor referred her patient to a specialist or Please refer to this menu of our daily specials. As for refer back, the Usage Panel's position has shifted dramatically over the years. In 1995, 65 percent of the Panel disapproved of this construction, but by 2011, 81 percent accepted it in the sentence To answer your question it is necessary to refer back to the minutes of the previous meeting. In such cases, where the "back" meaning of re- has largely disappeared, adding back can provide useful semantic information, indicating that the person or thing being referred to has been mentioned or consulted before. The Panel remains somewhat less tolerant of constructions like revert back, in which the verb retains the sense "back" as part of its meaning: in 2011, 67 percent accepted revert back in the sentence After his divorce he seemed to revert back to his adolescence. In this context, back may simply be used to provide emphasis, perhaps suggesting a greater step backward than the verb by itself would. In any case, the prevalence of phrases that combine back and words prefixed with re- indicates that such constructions are a robust feature of English, even if they do appear to be logically redundant.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.