~ 1
■ noun ( plural ~s ) informal
1》 a ~fessional.
2》 a ~stitute.
■ adjective ~fessional.
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~ 2
■ noun ( plural ~s ) (usu. in phr. ~s and cons ) an advantage or argument in favour of something.
■ preposition & adverb in favour of.
Origin
ME (asnoun): from L., lit. 'for, on behalf of'.