subs. (old: now recognised).—1.  A play upon words, similar in sound but different in meaning: also as verb.—B. E. (c. 1696).

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  2.  (Harrow school).—Punishment. Hence PUN-PAPER = specially ruled paper for PUNS and impositions.

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  TO PUN OUT, verb. phr. (Christ’s Hospital).—To inform against: e.g., ‘I’ll PUN OUT’; ‘I’ll PUN you OUT’: exclusively a London expression; at Hertford, TO PUN or PUN OF.

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