PRO
abbr. public relations officer
pro 1
(prō)n. pl. pros 1. An argument or consideration in favor of something: weighing the pros and cons.
2. One who supports a proposal or takes the affirmative side in a debate.
adv. In favor; affirmatively: arguing pro and con.
adj. Affirmative; supporting: a pro vote.
pro 2
(prō) Informal n. pl. pros 1. A professional, especially in sports.
2. An expert in a field of endeavor.
adj. Professional: pro football.
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.
pro
(prəʊ) advin favour of a motion, issue, course of action, etc. Compare
anti n,
pl pros1. (usually plural) an argument or vote in favour of a proposal or motion
2. (usually plural) a person who votes in favour of a proposal, motion, etc
[from Latin prō (prep) in favour of]
pro
(prəʊ) n,
pl pros2. slang a prostitute
the internet domain name for (Computer Science) professional practitioner
[C19: by shortening]
PRO
abbreviation for 1. (Government, Politics & Diplomacy) Public Records Office
2. (Commerce) public relations officer
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
pro1
(proʊ)
adv., n., pl. pros. adv. 1. in favor of a proposition, opinion, etc.
n. 2. the argument, position, arguer, or voter for something.
Compare con 1. [1350–1400; Middle English < Latin
prō (preposition) in favor of,
for; akin to
per-, Greek
pró, Skt
pra]
pro2
(proʊ)
adj., n., pl. pros. professional.
[1840–50; by shortening]
PRO
or P.R.O.,
public relations officer.
pro-1
, 1. a prefix, having
anti- as its opposite, used to form adjectives that have the general sense “favoring” the group, interests, course of action, etc., denoted by the headword:
pro-choice; pro-American; prowar. 2. a prefix occurring in loanwords from Latin, with the meanings “forward,” forming esp. verbs denoting forward movement or location (proceed; progress), advancement (promote; propose), or bringing into existence (procreate; produce); “before, outside of” (profane); “in place of” (pronoun).
[< Latin
prō-, pro-, comb. form representing
prō pro1]
pro-2
, a prefix, occurring orig. in loanwords from Greek, with the meanings “before, beforehand, in front of” (prognosis; prophylactic; prothesis), “front part, extremity” (proboscis), “primitive or embryonic form,” “precursor” (prodrug; pronephros; prosimian).
[< Greek, comb. form of
pró for, before; see
pro1]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.